./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0490b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cbb939d5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0490b.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3dc42073aad7bd32a115bf905aa72e02b8442813 ................................................................................................................................................................................................................................................................................................................ 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 -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0490b.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3dc42073aad7bd32a115bf905aa72e02b8442813 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-cbb939d [2020-11-23 16:22:34,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-23 16:22:34,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-23 16:22:34,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-23 16:22:34,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-23 16:22:34,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-23 16:22:34,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-23 16:22:35,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-23 16:22:35,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-23 16:22:35,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-23 16:22:35,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-23 16:22:35,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-23 16:22:35,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-23 16:22:35,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-23 16:22:35,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-23 16:22:35,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-23 16:22:35,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-23 16:22:35,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-23 16:22:35,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-23 16:22:35,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-23 16:22:35,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-23 16:22:35,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-23 16:22:35,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-23 16:22:35,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-23 16:22:35,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-23 16:22:35,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-23 16:22:35,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-23 16:22:35,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-23 16:22:35,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-23 16:22:35,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-23 16:22:35,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-23 16:22:35,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-23 16:22:35,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-23 16:22:35,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-23 16:22:35,085 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-23 16:22:35,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-23 16:22:35,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-23 16:22:35,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-23 16:22:35,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-23 16:22:35,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-23 16:22:35,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-23 16:22:35,092 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-23 16:22:35,156 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-23 16:22:35,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-23 16:22:35,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-23 16:22:35,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-23 16:22:35,161 INFO L138 SettingsManager]: * Use SBE=true [2020-11-23 16:22:35,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-23 16:22:35,161 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-23 16:22:35,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-23 16:22:35,162 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-23 16:22:35,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-23 16:22:35,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-23 16:22:35,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-23 16:22:35,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-23 16:22:35,164 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-23 16:22:35,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-23 16:22:35,165 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-23 16:22:35,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-23 16:22:35,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-23 16:22:35,166 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-23 16:22:35,166 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-23 16:22:35,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-23 16:22:35,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-23 16:22:35,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-23 16:22:35,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-23 16:22:35,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-23 16:22:35,167 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-23 16:22:35,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-23 16:22:35,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-23 16:22:35,168 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-23 16:22:35,169 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3dc42073aad7bd32a115bf905aa72e02b8442813 [2020-11-23 16:22:35,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-23 16:22:35,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-23 16:22:35,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-23 16:22:35,695 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-23 16:22:35,697 INFO L275 PluginConnector]: CDTParser initialized [2020-11-23 16:22:35,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0490b.c [2020-11-23 16:22:35,786 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/578fb8a38/31ef2eaf1dc04d998a7a84c394ce2cba/FLAG6b18fac51 [2020-11-23 16:22:36,539 INFO L306 CDTParser]: Found 1 translation units. [2020-11-23 16:22:36,540 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0490b.c [2020-11-23 16:22:36,550 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/578fb8a38/31ef2eaf1dc04d998a7a84c394ce2cba/FLAG6b18fac51 [2020-11-23 16:22:36,827 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/578fb8a38/31ef2eaf1dc04d998a7a84c394ce2cba [2020-11-23 16:22:36,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-23 16:22:36,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-23 16:22:36,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-23 16:22:36,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-23 16:22:36,846 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-23 16:22:36,847 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:22:36" (1/1) ... [2020-11-23 16:22:36,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9338316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:22:36, skipping insertion in model container [2020-11-23 16:22:36,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:22:36" (1/1) ... [2020-11-23 16:22:36,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-23 16:22:36,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-23 16:22:37,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-23 16:22:37,173 INFO L203 MainTranslator]: Completed pre-run [2020-11-23 16:22:37,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-23 16:22:37,317 INFO L208 MainTranslator]: Completed translation [2020-11-23 16:22:37,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:22:37 WrapperNode [2020-11-23 16:22:37,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-23 16:22:37,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-23 16:22:37,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-23 16:22:37,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-23 16:22:37,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:22:37" (1/1) ... [2020-11-23 16:22:37,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:22:37" (1/1) ... [2020-11-23 16:22:37,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-23 16:22:37,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-23 16:22:37,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-23 16:22:37,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-23 16:22:37,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:22:37" (1/1) ... [2020-11-23 16:22:37,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:22:37" (1/1) ... [2020-11-23 16:22:37,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:22:37" (1/1) ... [2020-11-23 16:22:37,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:22:37" (1/1) ... [2020-11-23 16:22:37,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:22:37" (1/1) ... [2020-11-23 16:22:37,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:22:37" (1/1) ... [2020-11-23 16:22:37,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:22:37" (1/1) ... [2020-11-23 16:22:37,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-23 16:22:37,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-23 16:22:37,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-23 16:22:37,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-23 16:22:37,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:22:37" (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 [2020-11-23 16:22:37,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-23 16:22:37,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-23 16:22:37,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-23 16:22:37,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-23 16:22:37,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-23 16:22:37,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-23 16:22:37,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-23 16:22:37,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-23 16:22:37,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-23 16:22:38,717 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-23 16:22:38,718 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-23 16:22:38,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:22:38 BoogieIcfgContainer [2020-11-23 16:22:38,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-23 16:22:38,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-23 16:22:38,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-23 16:22:38,728 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-23 16:22:38,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:22:36" (1/3) ... [2020-11-23 16:22:38,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17de0d71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:22:38, skipping insertion in model container [2020-11-23 16:22:38,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:22:37" (2/3) ... [2020-11-23 16:22:38,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17de0d71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:22:38, skipping insertion in model container [2020-11-23 16:22:38,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:22:38" (3/3) ... [2020-11-23 16:22:38,733 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0490b.c [2020-11-23 16:22:38,750 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-23 16:22:38,755 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-23 16:22:38,769 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-23 16:22:38,801 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-23 16:22:38,801 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-23 16:22:38,801 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-23 16:22:38,802 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-23 16:22:38,802 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-23 16:22:38,802 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-23 16:22:38,802 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-23 16:22:38,803 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-23 16:22:38,822 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2020-11-23 16:22:38,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-23 16:22:38,830 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 16:22:38,831 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-23 16:22:38,831 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 16:22:38,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 16:22:38,838 INFO L82 PathProgramCache]: Analyzing trace with hash 2057048347, now seen corresponding path program 1 times [2020-11-23 16:22:38,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-23 16:22:38,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098213152] [2020-11-23 16:22:38,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-23 16:22:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-23 16:22:39,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 16:22:39,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098213152] [2020-11-23 16:22:39,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-23 16:22:39,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-23 16:22:39,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146456293] [2020-11-23 16:22:39,038 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-23 16:22:39,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-23 16:22:39,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-23 16:22:39,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-23 16:22:39,062 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2020-11-23 16:22:39,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-23 16:22:39,125 INFO L93 Difference]: Finished difference Result 207 states and 343 transitions. [2020-11-23 16:22:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-23 16:22:39,127 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-23 16:22:39,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-23 16:22:39,155 INFO L225 Difference]: With dead ends: 207 [2020-11-23 16:22:39,155 INFO L226 Difference]: Without dead ends: 101 [2020-11-23 16:22:39,159 INFO L677 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 [2020-11-23 16:22:39,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-11-23 16:22:39,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-11-23 16:22:39,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-11-23 16:22:39,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 146 transitions. [2020-11-23 16:22:39,209 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 146 transitions. Word has length 11 [2020-11-23 16:22:39,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-23 16:22:39,209 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 146 transitions. [2020-11-23 16:22:39,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-23 16:22:39,210 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 146 transitions. [2020-11-23 16:22:39,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-23 16:22:39,211 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 16:22:39,211 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-23 16:22:39,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-23 16:22:39,212 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 16:22:39,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 16:22:39,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1327291576, now seen corresponding path program 1 times [2020-11-23 16:22:39,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-23 16:22:39,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944605201] [2020-11-23 16:22:39,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-23 16:22:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-23 16:22:39,299 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-23 16:22:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-23 16:22:39,377 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-23 16:22:39,412 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-23 16:22:39,413 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-23 16:22:39,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-23 16:22:39,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:22:39 BoogieIcfgContainer [2020-11-23 16:22:39,457 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-23 16:22:39,458 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-23 16:22:39,458 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-23 16:22:39,459 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-23 16:22:39,459 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:22:38" (3/4) ... [2020-11-23 16:22:39,463 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-23 16:22:39,464 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-23 16:22:39,466 INFO L168 Benchmark]: Toolchain (without parser) took 2633.13 ms. Allocated memory was 39.8 MB in the beginning and 58.7 MB in the end (delta: 18.9 MB). Free memory was 19.8 MB in the beginning and 24.8 MB in the end (delta: -5.0 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2020-11-23 16:22:39,467 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 39.8 MB. Free memory was 25.2 MB in the beginning and 25.1 MB in the end (delta: 42.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 16:22:39,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 477.41 ms. Allocated memory was 39.8 MB in the beginning and 48.2 MB in the end (delta: 8.4 MB). Free memory was 19.1 MB in the beginning and 31.3 MB in the end (delta: -12.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-23 16:22:39,469 INFO L168 Benchmark]: Boogie Procedure Inliner took 149.70 ms. Allocated memory is still 48.2 MB. Free memory was 31.1 MB in the beginning and 27.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-23 16:22:39,470 INFO L168 Benchmark]: Boogie Preprocessor took 116.71 ms. Allocated memory is still 48.2 MB. Free memory was 27.7 MB in the beginning and 24.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-23 16:22:39,471 INFO L168 Benchmark]: RCFGBuilder took 1132.93 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 24.8 MB in the beginning and 35.3 MB in the end (delta: -10.5 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2020-11-23 16:22:39,472 INFO L168 Benchmark]: TraceAbstraction took 734.41 ms. Allocated memory is still 58.7 MB. Free memory was 34.7 MB in the beginning and 25.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2020-11-23 16:22:39,473 INFO L168 Benchmark]: Witness Printer took 5.65 ms. Allocated memory is still 58.7 MB. Free memory was 25.1 MB in the beginning and 24.8 MB in the end (delta: 318.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 16:22:39,478 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 39.8 MB. Free memory was 25.2 MB in the beginning and 25.1 MB in the end (delta: 42.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 477.41 ms. Allocated memory was 39.8 MB in the beginning and 48.2 MB in the end (delta: 8.4 MB). Free memory was 19.1 MB in the beginning and 31.3 MB in the end (delta: -12.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 149.70 ms. Allocated memory is still 48.2 MB. Free memory was 31.1 MB in the beginning and 27.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 116.71 ms. Allocated memory is still 48.2 MB. Free memory was 27.7 MB in the beginning and 24.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1132.93 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 24.8 MB in the beginning and 35.3 MB in the end (delta: -10.5 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 734.41 ms. Allocated memory is still 58.7 MB. Free memory was 34.7 MB in the beginning and 25.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. * Witness Printer took 5.65 ms. Allocated memory is still 58.7 MB. Free memory was 25.1 MB in the beginning and 24.8 MB in the end (delta: 318.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 138, overapproximation of someBinaryArithmeticDOUBLEoperation at line 174, overapproximation of bitwiseAnd at line 156, overapproximation of someBinaryDOUBLEComparisonOperation at line 19. Possible FailurePath: [L21] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L133-L146] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L225] double x = -1.0 / 0.0; [L149] double z, p, q, r, w, s, c, df; [L150] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L152] ieee_double_shape_type gh_u; [L153] gh_u.value = (x) [L154] EXPR gh_u.parts.msw [L154] (hx) = gh_u.parts.msw [L156] ix = hx & 0x7fffffff VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L157] COND FALSE !(ix >= 0x3ff00000) VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L172] COND TRUE ix < 0x3fe00000 VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L173] COND TRUE ix <= 0x3c600000 [L174] return pio2_hi_acos + pio2_lo_acos; VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L226] double res = __ieee754_acos(x); [L19] return x != x; VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L229] COND TRUE !isnan_double(res) [L3] __assert_fail("0", "double_req_bl_0490b.c", 3, "reach_error") VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 149 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=105occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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, ACCELERATED_INTERPOLATION: 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 0.2.0-cbb939d [2020-11-23 16:22:42,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-23 16:22:42,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-23 16:22:42,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-23 16:22:42,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-23 16:22:42,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-23 16:22:42,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-23 16:22:42,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-23 16:22:42,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-23 16:22:42,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-23 16:22:42,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-23 16:22:42,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-23 16:22:42,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-23 16:22:42,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-23 16:22:42,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-23 16:22:42,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-23 16:22:42,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-23 16:22:42,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-23 16:22:42,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-23 16:22:42,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-23 16:22:42,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-23 16:22:42,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-23 16:22:42,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-23 16:22:42,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-23 16:22:42,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-23 16:22:42,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-23 16:22:42,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-23 16:22:42,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-23 16:22:42,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-23 16:22:42,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-23 16:22:42,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-23 16:22:42,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-23 16:22:42,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-23 16:22:42,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-23 16:22:42,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-23 16:22:42,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-23 16:22:42,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-23 16:22:42,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-23 16:22:42,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-23 16:22:42,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-23 16:22:42,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-23 16:22:42,217 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-23 16:22:42,245 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-23 16:22:42,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-23 16:22:42,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-23 16:22:42,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-23 16:22:42,248 INFO L138 SettingsManager]: * Use SBE=true [2020-11-23 16:22:42,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-23 16:22:42,249 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-23 16:22:42,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-23 16:22:42,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-23 16:22:42,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-23 16:22:42,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-23 16:22:42,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-23 16:22:42,251 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-23 16:22:42,252 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-23 16:22:42,252 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-23 16:22:42,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-23 16:22:42,253 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-23 16:22:42,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-23 16:22:42,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-23 16:22:42,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-23 16:22:42,254 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-23 16:22:42,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-23 16:22:42,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-23 16:22:42,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-23 16:22:42,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-23 16:22:42,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-23 16:22:42,256 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-23 16:22:42,257 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-23 16:22:42,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-23 16:22:42,257 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-23 16:22:42,258 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-23 16:22:42,258 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3dc42073aad7bd32a115bf905aa72e02b8442813 [2020-11-23 16:22:42,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-23 16:22:42,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-23 16:22:42,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-23 16:22:42,774 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-23 16:22:42,775 INFO L275 PluginConnector]: CDTParser initialized [2020-11-23 16:22:42,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0490b.c [2020-11-23 16:22:42,879 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d96409a36/c50d05a94b5a47db9409bc8f4cb88667/FLAG6eafbd416 [2020-11-23 16:22:43,601 INFO L306 CDTParser]: Found 1 translation units. [2020-11-23 16:22:43,602 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0490b.c [2020-11-23 16:22:43,614 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d96409a36/c50d05a94b5a47db9409bc8f4cb88667/FLAG6eafbd416 [2020-11-23 16:22:43,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d96409a36/c50d05a94b5a47db9409bc8f4cb88667 [2020-11-23 16:22:43,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-23 16:22:43,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-23 16:22:43,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-23 16:22:43,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-23 16:22:43,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-23 16:22:43,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:22:43" (1/1) ... [2020-11-23 16:22:43,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e20572d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:22:43, skipping insertion in model container [2020-11-23 16:22:43,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:22:43" (1/1) ... [2020-11-23 16:22:43,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-23 16:22:44,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-23 16:22:44,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-23 16:22:44,329 INFO L203 MainTranslator]: Completed pre-run [2020-11-23 16:22:44,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-23 16:22:44,438 INFO L208 MainTranslator]: Completed translation [2020-11-23 16:22:44,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:22:44 WrapperNode [2020-11-23 16:22:44,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-23 16:22:44,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-23 16:22:44,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-23 16:22:44,440 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-23 16:22:44,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:22:44" (1/1) ... [2020-11-23 16:22:44,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:22:44" (1/1) ... [2020-11-23 16:22:44,516 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-23 16:22:44,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-23 16:22:44,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-23 16:22:44,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-23 16:22:44,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:22:44" (1/1) ... [2020-11-23 16:22:44,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:22:44" (1/1) ... [2020-11-23 16:22:44,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:22:44" (1/1) ... [2020-11-23 16:22:44,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:22:44" (1/1) ... [2020-11-23 16:22:44,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:22:44" (1/1) ... [2020-11-23 16:22:44,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:22:44" (1/1) ... [2020-11-23 16:22:44,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:22:44" (1/1) ... [2020-11-23 16:22:44,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-23 16:22:44,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-23 16:22:44,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-23 16:22:44,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-23 16:22:44,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:22:44" (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 [2020-11-23 16:22:44,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-23 16:22:44,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-23 16:22:44,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-23 16:22:44,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-23 16:22:44,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-23 16:22:44,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-23 16:22:44,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-23 16:22:44,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-23 16:22:44,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-23 16:23:09,898 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-23 16:23:09,899 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-23 16:23:09,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:23:09 BoogieIcfgContainer [2020-11-23 16:23:09,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-23 16:23:09,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-23 16:23:09,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-23 16:23:09,911 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-23 16:23:09,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:22:43" (1/3) ... [2020-11-23 16:23:09,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ee7625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:23:09, skipping insertion in model container [2020-11-23 16:23:09,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:22:44" (2/3) ... [2020-11-23 16:23:09,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ee7625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:23:09, skipping insertion in model container [2020-11-23 16:23:09,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:23:09" (3/3) ... [2020-11-23 16:23:09,917 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0490b.c [2020-11-23 16:23:09,935 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-23 16:23:09,940 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-23 16:23:09,956 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-23 16:23:10,010 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-23 16:23:10,010 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-23 16:23:10,010 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-23 16:23:10,010 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-23 16:23:10,011 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-23 16:23:10,011 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-23 16:23:10,011 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-23 16:23:10,011 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-23 16:23:10,039 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2020-11-23 16:23:10,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-23 16:23:10,048 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 16:23:10,049 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-23 16:23:10,049 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 16:23:10,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 16:23:10,057 INFO L82 PathProgramCache]: Analyzing trace with hash 2057048347, now seen corresponding path program 1 times [2020-11-23 16:23:10,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-23 16:23:10,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1341264976] [2020-11-23 16:23:10,077 INFO L95 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 [2020-11-23 16:23:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-23 16:23:11,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-23 16:23:11,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-23 16:23:11,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 16:23:11,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-23 16:23:11,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 16:23:11,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1341264976] [2020-11-23 16:23:11,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-23 16:23:11,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-23 16:23:11,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503563155] [2020-11-23 16:23:11,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-23 16:23:11,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-23 16:23:11,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-23 16:23:11,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-23 16:23:11,361 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2020-11-23 16:23:11,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-23 16:23:11,395 INFO L93 Difference]: Finished difference Result 207 states and 343 transitions. [2020-11-23 16:23:11,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-23 16:23:11,397 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-23 16:23:11,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-23 16:23:11,409 INFO L225 Difference]: With dead ends: 207 [2020-11-23 16:23:11,410 INFO L226 Difference]: Without dead ends: 101 [2020-11-23 16:23:11,413 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-23 16:23:11,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-11-23 16:23:11,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-11-23 16:23:11,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-11-23 16:23:11,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 146 transitions. [2020-11-23 16:23:11,463 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 146 transitions. Word has length 11 [2020-11-23 16:23:11,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-23 16:23:11,463 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 146 transitions. [2020-11-23 16:23:11,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-23 16:23:11,464 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 146 transitions. [2020-11-23 16:23:11,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-23 16:23:11,465 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 16:23:11,465 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-23 16:23:11,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-23 16:23:11,681 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 16:23:11,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 16:23:11,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1327291576, now seen corresponding path program 1 times [2020-11-23 16:23:11,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-23 16:23:11,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [424010727] [2020-11-23 16:23:11,684 INFO L95 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 [2020-11-23 16:23:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-23 16:23:11,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-23 16:23:11,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-23 16:23:12,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 16:23:12,132 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-23 16:23:12,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 16:23:12,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [424010727] [2020-11-23 16:23:12,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-23 16:23:12,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-23 16:23:12,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368956430] [2020-11-23 16:23:12,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-23 16:23:12,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-23 16:23:12,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-23 16:23:12,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-23 16:23:12,301 INFO L87 Difference]: Start difference. First operand 101 states and 146 transitions. Second operand 8 states. [2020-11-23 16:23:15,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-23 16:23:15,263 INFO L93 Difference]: Finished difference Result 106 states and 150 transitions. [2020-11-23 16:23:15,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-23 16:23:15,656 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-11-23 16:23:15,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-23 16:23:15,657 INFO L225 Difference]: With dead ends: 106 [2020-11-23 16:23:15,657 INFO L226 Difference]: Without dead ends: 14 [2020-11-23 16:23:15,658 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-23 16:23:15,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-11-23 16:23:15,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-11-23 16:23:15,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-11-23 16:23:15,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2020-11-23 16:23:15,662 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 12 [2020-11-23 16:23:15,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-23 16:23:15,662 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2020-11-23 16:23:15,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-23 16:23:15,663 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2020-11-23 16:23:15,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-23 16:23:15,663 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 16:23:15,663 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-23 16:23:15,874 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-23 16:23:15,878 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 16:23:15,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 16:23:15,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1300627107, now seen corresponding path program 1 times [2020-11-23 16:23:15,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-23 16:23:15,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1205316981] [2020-11-23 16:23:15,881 INFO L95 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 [2020-11-23 16:23:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-23 16:23:16,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-23 16:23:16,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-23 16:23:16,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 16:23:16,961 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-23 16:23:21,272 WARN L860 $PredicateComparison]: unable to prove that (= (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) (let ((.cse2 (fp.sub c_currentRoundingMode c_ULTIMATE.start___ieee754_acos_~x c_ULTIMATE.start___ieee754_acos_~x))) (fp.div c_currentRoundingMode .cse2 .cse2))) is different from true [2020-11-23 16:23:21,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 16:23:21,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1205316981] [2020-11-23 16:23:21,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-23 16:23:21,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2020-11-23 16:23:21,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698071459] [2020-11-23 16:23:21,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-23 16:23:21,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-23 16:23:21,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-23 16:23:21,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=55, Unknown=1, NotChecked=14, Total=90 [2020-11-23 16:23:21,313 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand 10 states. [2020-11-23 16:23:23,701 WARN L860 $PredicateComparison]: unable to prove that (and (= (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) (let ((.cse2 (fp.sub c_currentRoundingMode c_ULTIMATE.start___ieee754_acos_~x c_ULTIMATE.start___ieee754_acos_~x))) (fp.div c_currentRoundingMode .cse2 .cse2))) (= c_currentRoundingMode roundNearestTiesToEven) (= c_ULTIMATE.start___ieee754_acos_~x (fp.div c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1.0)) (_ +zero 11 53)))) is different from true [2020-11-23 16:23:23,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-23 16:23:23,788 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2020-11-23 16:23:23,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-23 16:23:23,789 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 13 [2020-11-23 16:23:23,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-23 16:23:23,789 INFO L225 Difference]: With dead ends: 14 [2020-11-23 16:23:23,789 INFO L226 Difference]: Without dead ends: 0 [2020-11-23 16:23:23,791 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=35, Invalid=81, Unknown=2, NotChecked=38, Total=156 [2020-11-23 16:23:23,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-23 16:23:23,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-23 16:23:23,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-23 16:23:23,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-23 16:23:23,792 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-11-23 16:23:23,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-23 16:23:23,792 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-23 16:23:23,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-23 16:23:23,793 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-23 16:23:23,793 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-23 16:23:23,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-23 16:23:23,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-23 16:23:29,444 WARN L194 SmtUtils]: Spent 5.33 s on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-11-23 16:23:32,709 WARN L194 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 20 DAG size of output: 11 [2020-11-23 16:23:32,738 INFO L262 CegarLoopResult]: For program point L184(lines 184 216) no Hoare annotation was computed. [2020-11-23 16:23:32,738 INFO L262 CegarLoopResult]: For program point L151-1(lines 151 155) no Hoare annotation was computed. [2020-11-23 16:23:32,739 INFO L258 CegarLoopResult]: At program point L151-2(lines 151 155) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_acos_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)))) [2020-11-23 16:23:32,739 INFO L262 CegarLoopResult]: For program point L151-3(lines 151 155) no Hoare annotation was computed. [2020-11-23 16:23:32,739 INFO L258 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: (and (= (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start___ieee754_acos_#res|) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) [2020-11-23 16:23:32,739 INFO L265 CegarLoopResult]: At program point L234(lines 219 235) the Hoare annotation is: true [2020-11-23 16:23:32,739 INFO L262 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-23 16:23:32,739 INFO L262 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-23 16:23:32,740 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-23 16:23:32,740 INFO L258 CegarLoopResult]: At program point L86-2(lines 86 102) the Hoare annotation is: false [2020-11-23 16:23:32,740 INFO L262 CegarLoopResult]: For program point L86-3(lines 23 131) no Hoare annotation was computed. [2020-11-23 16:23:32,740 INFO L258 CegarLoopResult]: At program point L86-6(lines 86 102) the Hoare annotation is: false [2020-11-23 16:23:32,740 INFO L262 CegarLoopResult]: For program point L86-7(lines 23 131) no Hoare annotation was computed. [2020-11-23 16:23:32,741 INFO L262 CegarLoopResult]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2020-11-23 16:23:32,741 INFO L258 CegarLoopResult]: At program point L54-3(lines 54 55) the Hoare annotation is: false [2020-11-23 16:23:32,741 INFO L262 CegarLoopResult]: For program point L54-4(lines 54 55) no Hoare annotation was computed. [2020-11-23 16:23:32,741 INFO L262 CegarLoopResult]: For program point L54-7(lines 54 55) no Hoare annotation was computed. [2020-11-23 16:23:32,741 INFO L258 CegarLoopResult]: At program point L54-8(lines 54 55) the Hoare annotation is: false [2020-11-23 16:23:32,741 INFO L262 CegarLoopResult]: For program point L54-9(lines 54 55) no Hoare annotation was computed. [2020-11-23 16:23:32,742 INFO L262 CegarLoopResult]: For program point L104(lines 104 118) no Hoare annotation was computed. [2020-11-23 16:23:32,742 INFO L262 CegarLoopResult]: For program point L104-1(lines 104 118) no Hoare annotation was computed. [2020-11-23 16:23:32,742 INFO L262 CegarLoopResult]: For program point L121(lines 121 122) no Hoare annotation was computed. [2020-11-23 16:23:32,742 INFO L262 CegarLoopResult]: For program point L121-2(lines 121 122) no Hoare annotation was computed. [2020-11-23 16:23:32,742 INFO L262 CegarLoopResult]: For program point L121-3(lines 121 122) no Hoare annotation was computed. [2020-11-23 16:23:32,742 INFO L262 CegarLoopResult]: For program point L121-5(lines 121 122) no Hoare annotation was computed. [2020-11-23 16:23:32,742 INFO L262 CegarLoopResult]: For program point L89(lines 89 98) no Hoare annotation was computed. [2020-11-23 16:23:32,742 INFO L262 CegarLoopResult]: For program point L89-2(lines 89 98) no Hoare annotation was computed. [2020-11-23 16:23:32,742 INFO L262 CegarLoopResult]: For program point L89-3(lines 89 98) no Hoare annotation was computed. [2020-11-23 16:23:32,742 INFO L262 CegarLoopResult]: For program point L89-5(lines 89 98) no Hoare annotation was computed. [2020-11-23 16:23:32,743 INFO L262 CegarLoopResult]: For program point L172(lines 172 216) no Hoare annotation was computed. [2020-11-23 16:23:32,743 INFO L262 CegarLoopResult]: For program point L106(lines 106 117) no Hoare annotation was computed. [2020-11-23 16:23:32,743 INFO L262 CegarLoopResult]: For program point L40(lines 40 45) no Hoare annotation was computed. [2020-11-23 16:23:32,743 INFO L262 CegarLoopResult]: For program point L106-2(lines 106 117) no Hoare annotation was computed. [2020-11-23 16:23:32,743 INFO L258 CegarLoopResult]: At program point L73-2(lines 73 83) the Hoare annotation is: false [2020-11-23 16:23:32,743 INFO L262 CegarLoopResult]: For program point L40-2(lines 40 45) no Hoare annotation was computed. [2020-11-23 16:23:32,743 INFO L262 CegarLoopResult]: For program point L73-3(lines 73 83) no Hoare annotation was computed. [2020-11-23 16:23:32,743 INFO L262 CegarLoopResult]: For program point L40-3(lines 40 45) no Hoare annotation was computed. [2020-11-23 16:23:32,743 INFO L262 CegarLoopResult]: For program point L40-5(lines 40 45) no Hoare annotation was computed. [2020-11-23 16:23:32,743 INFO L258 CegarLoopResult]: At program point L73-6(lines 73 83) the Hoare annotation is: false [2020-11-23 16:23:32,744 INFO L262 CegarLoopResult]: For program point L73-7(lines 73 83) no Hoare annotation was computed. [2020-11-23 16:23:32,744 INFO L262 CegarLoopResult]: For program point L173(lines 173 174) no Hoare annotation was computed. [2020-11-23 16:23:32,744 INFO L262 CegarLoopResult]: For program point L41(lines 41 44) no Hoare annotation was computed. [2020-11-23 16:23:32,744 INFO L262 CegarLoopResult]: For program point L41-1(lines 41 44) no Hoare annotation was computed. [2020-11-23 16:23:32,744 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-23 16:23:32,745 INFO L262 CegarLoopResult]: For program point L157(lines 157 171) no Hoare annotation was computed. [2020-11-23 16:23:32,745 INFO L262 CegarLoopResult]: For program point L91(lines 91 92) no Hoare annotation was computed. [2020-11-23 16:23:32,746 INFO L262 CegarLoopResult]: For program point L124-1(lines 124 129) no Hoare annotation was computed. [2020-11-23 16:23:32,746 INFO L258 CegarLoopResult]: At program point L124-2(lines 124 129) the Hoare annotation is: false [2020-11-23 16:23:32,747 INFO L262 CegarLoopResult]: For program point L91-2(lines 91 92) no Hoare annotation was computed. [2020-11-23 16:23:32,747 INFO L262 CegarLoopResult]: For program point L124-3(lines 124 129) no Hoare annotation was computed. [2020-11-23 16:23:32,747 INFO L262 CegarLoopResult]: For program point L91-3(lines 91 92) no Hoare annotation was computed. [2020-11-23 16:23:32,747 INFO L262 CegarLoopResult]: For program point L124-5(lines 124 129) no Hoare annotation was computed. [2020-11-23 16:23:32,747 INFO L262 CegarLoopResult]: For program point L91-5(lines 91 92) no Hoare annotation was computed. [2020-11-23 16:23:32,748 INFO L258 CegarLoopResult]: At program point L124-6(lines 124 129) the Hoare annotation is: false [2020-11-23 16:23:32,748 INFO L262 CegarLoopResult]: For program point L124-7(lines 124 129) no Hoare annotation was computed. [2020-11-23 16:23:32,748 INFO L262 CegarLoopResult]: For program point L108(lines 108 116) no Hoare annotation was computed. [2020-11-23 16:23:32,748 INFO L262 CegarLoopResult]: For program point L75(lines 75 79) no Hoare annotation was computed. [2020-11-23 16:23:32,748 INFO L262 CegarLoopResult]: For program point L108-2(lines 108 116) no Hoare annotation was computed. [2020-11-23 16:23:32,748 INFO L262 CegarLoopResult]: For program point L75-2(lines 75 79) no Hoare annotation was computed. [2020-11-23 16:23:32,748 INFO L262 CegarLoopResult]: For program point L75-3(lines 75 79) no Hoare annotation was computed. [2020-11-23 16:23:32,749 INFO L262 CegarLoopResult]: For program point L75-5(lines 75 79) no Hoare annotation was computed. [2020-11-23 16:23:32,749 INFO L262 CegarLoopResult]: For program point L43(lines 43 44) no Hoare annotation was computed. [2020-11-23 16:23:32,749 INFO L262 CegarLoopResult]: For program point L43-1(lines 43 44) no Hoare annotation was computed. [2020-11-23 16:23:32,749 INFO L262 CegarLoopResult]: For program point L159-1(lines 159 163) no Hoare annotation was computed. [2020-11-23 16:23:32,750 INFO L258 CegarLoopResult]: At program point L159-2(lines 159 163) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_11| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_11|)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_11|)) ULTIMATE.start___ieee754_acos_~ix~0))) (exists ((|v_skolemized_q#valueAsBitvector_11| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_11|)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_11|) ULTIMATE.start___ieee754_acos_~hx~0))) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_acos_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)))) [2020-11-23 16:23:32,750 INFO L262 CegarLoopResult]: For program point L159-3(lines 157 171) no Hoare annotation was computed. [2020-11-23 16:23:32,750 INFO L262 CegarLoopResult]: For program point L94(lines 94 95) no Hoare annotation was computed. [2020-11-23 16:23:32,750 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-23 16:23:32,750 INFO L262 CegarLoopResult]: For program point L94-2(lines 94 95) no Hoare annotation was computed. [2020-11-23 16:23:32,750 INFO L262 CegarLoopResult]: For program point L94-3(lines 94 95) no Hoare annotation was computed. [2020-11-23 16:23:32,751 INFO L262 CegarLoopResult]: For program point L94-5(lines 94 95) no Hoare annotation was computed. [2020-11-23 16:23:32,751 INFO L262 CegarLoopResult]: For program point L111(lines 111 116) no Hoare annotation was computed. [2020-11-23 16:23:32,751 INFO L262 CegarLoopResult]: For program point L111-3(lines 111 116) no Hoare annotation was computed. [2020-11-23 16:23:32,751 INFO L262 CegarLoopResult]: For program point L62(lines 62 65) no Hoare annotation was computed. [2020-11-23 16:23:32,751 INFO L262 CegarLoopResult]: For program point L29-1(lines 29 34) no Hoare annotation was computed. [2020-11-23 16:23:32,751 INFO L262 CegarLoopResult]: For program point L62-2(lines 62 65) no Hoare annotation was computed. [2020-11-23 16:23:32,752 INFO L258 CegarLoopResult]: At program point L29-2(lines 29 34) the Hoare annotation is: false [2020-11-23 16:23:32,752 INFO L262 CegarLoopResult]: For program point L62-3(lines 62 65) no Hoare annotation was computed. [2020-11-23 16:23:32,752 INFO L262 CegarLoopResult]: For program point L29-3(lines 23 131) no Hoare annotation was computed. [2020-11-23 16:23:32,752 INFO L262 CegarLoopResult]: For program point L62-5(lines 62 65) no Hoare annotation was computed. [2020-11-23 16:23:32,752 INFO L262 CegarLoopResult]: For program point L29-5(lines 29 34) no Hoare annotation was computed. [2020-11-23 16:23:32,753 INFO L258 CegarLoopResult]: At program point L29-6(lines 29 34) the Hoare annotation is: false [2020-11-23 16:23:32,753 INFO L262 CegarLoopResult]: For program point L29-7(lines 23 131) no Hoare annotation was computed. [2020-11-23 16:23:32,753 INFO L262 CegarLoopResult]: For program point L112(lines 112 113) no Hoare annotation was computed. [2020-11-23 16:23:32,753 INFO L262 CegarLoopResult]: For program point L112-2(lines 112 113) no Hoare annotation was computed. [2020-11-23 16:23:32,753 INFO L262 CegarLoopResult]: For program point L112-3(lines 112 113) no Hoare annotation was computed. [2020-11-23 16:23:32,753 INFO L262 CegarLoopResult]: For program point L112-5(lines 112 113) no Hoare annotation was computed. [2020-11-23 16:23:32,753 INFO L262 CegarLoopResult]: For program point L229(lines 229 232) no Hoare annotation was computed. [2020-11-23 16:23:32,754 INFO L258 CegarLoopResult]: At program point L130(lines 23 131) the Hoare annotation is: false [2020-11-23 16:23:32,754 INFO L258 CegarLoopResult]: At program point L130-1(lines 23 131) the Hoare annotation is: false [2020-11-23 16:23:32,754 INFO L262 CegarLoopResult]: For program point L48(lines 48 59) no Hoare annotation was computed. [2020-11-23 16:23:32,754 INFO L262 CegarLoopResult]: For program point L48-2(lines 48 59) no Hoare annotation was computed. [2020-11-23 16:23:32,754 INFO L262 CegarLoopResult]: For program point L48-3(lines 48 59) no Hoare annotation was computed. [2020-11-23 16:23:32,754 INFO L262 CegarLoopResult]: For program point L48-5(lines 48 59) no Hoare annotation was computed. [2020-11-23 16:23:32,755 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-23 16:23:32,755 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-23 16:23:32,755 INFO L258 CegarLoopResult]: At program point L49-2(lines 49 53) the Hoare annotation is: false [2020-11-23 16:23:32,755 INFO L262 CegarLoopResult]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2020-11-23 16:23:32,755 INFO L258 CegarLoopResult]: At program point L49-6(lines 49 53) the Hoare annotation is: false [2020-11-23 16:23:32,756 INFO L262 CegarLoopResult]: For program point L49-7(lines 49 53) no Hoare annotation was computed. [2020-11-23 16:23:32,756 INFO L262 CegarLoopResult]: For program point L165(lines 165 168) no Hoare annotation was computed. [2020-11-23 16:23:32,756 INFO L258 CegarLoopResult]: At program point L215(lines 148 217) the Hoare annotation is: (= (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start___ieee754_acos_#res|) [2020-11-23 16:23:32,756 INFO L262 CegarLoopResult]: For program point L200-1(lines 200 205) no Hoare annotation was computed. [2020-11-23 16:23:32,756 INFO L258 CegarLoopResult]: At program point L200-2(lines 200 205) the Hoare annotation is: false [2020-11-23 16:23:32,757 INFO L262 CegarLoopResult]: For program point L200-3(lines 200 205) no Hoare annotation was computed. [2020-11-23 16:23:32,768 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:32,769 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:32,769 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:32,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:23:32,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:23:32,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:32,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:32,771 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:32,771 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:32,771 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:23:32,771 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:23:32,771 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:32,775 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,778 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:23:32,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:23:32,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:23:32,781 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:32,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:32,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:32,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:23:32,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:23:32,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:32,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:32,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:32,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:32,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:23:32,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:23:32,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:32,785 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:23:32,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:23:32,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:23:32,787 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,788 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,788 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,788 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,789 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,789 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,789 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,789 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,790 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,790 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,790 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,792 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,792 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,792 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,792 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,793 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,793 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,793 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,793 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,793 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,794 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,794 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,796 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,796 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:23:32,796 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:23:32,797 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:23:32,797 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,797 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:23:32,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:23:32,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:23:32,799 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,799 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,799 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,799 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,800 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,800 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,800 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,800 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,801 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,801 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,801 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,802 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,802 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,802 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,803 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,803 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,803 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,803 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,804 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,804 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,804 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,804 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:32,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:23:32 BoogieIcfgContainer [2020-11-23 16:23:32,808 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-23 16:23:32,809 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-23 16:23:32,809 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-23 16:23:32,809 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-23 16:23:32,810 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:23:09" (3/4) ... [2020-11-23 16:23:32,815 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-23 16:23:32,836 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2020-11-23 16:23:32,837 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-11-23 16:23:32,838 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-23 16:23:32,839 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-23 16:23:32,880 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_skolemized_q#valueAsBitvector_11 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_11[63:32]) == ix) && (\exists v_skolemized_q#valueAsBitvector_11 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && v_skolemized_q#valueAsBitvector_11[63:32] == hx)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) [2020-11-23 16:23:32,880 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) == \result [2020-11-23 16:23:32,881 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) == \result && 1bv32 == \result [2020-11-23 16:23:32,999 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-11-23 16:23:33,000 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-23 16:23:33,007 INFO L168 Benchmark]: Toolchain (without parser) took 49046.51 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 27.1 MB in the beginning and 32.8 MB in the end (delta: -5.7 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. [2020-11-23 16:23:33,008 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 41.9 MB. Free memory was 20.0 MB in the beginning and 19.9 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 16:23:33,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 464.03 ms. Allocated memory is still 50.3 MB. Free memory was 26.4 MB in the beginning and 33.1 MB in the end (delta: -6.7 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2020-11-23 16:23:33,009 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.63 ms. Allocated memory is still 50.3 MB. Free memory was 32.9 MB in the beginning and 29.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-23 16:23:33,011 INFO L168 Benchmark]: Boogie Preprocessor took 115.09 ms. Allocated memory is still 50.3 MB. Free memory was 29.9 MB in the beginning and 27.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-23 16:23:33,012 INFO L168 Benchmark]: RCFGBuilder took 25270.28 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.7 MB in the beginning and 30.2 MB in the end (delta: -3.5 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2020-11-23 16:23:33,013 INFO L168 Benchmark]: TraceAbstraction took 22901.30 ms. Allocated memory is still 60.8 MB. Free memory was 29.5 MB in the beginning and 19.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2020-11-23 16:23:33,015 INFO L168 Benchmark]: Witness Printer took 191.58 ms. Allocated memory is still 60.8 MB. Free memory was 19.7 MB in the beginning and 32.8 MB in the end (delta: -13.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-23 16:23:33,022 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 41.9 MB. Free memory was 20.0 MB in the beginning and 19.9 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 464.03 ms. Allocated memory is still 50.3 MB. Free memory was 26.4 MB in the beginning and 33.1 MB in the end (delta: -6.7 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.63 ms. Allocated memory is still 50.3 MB. Free memory was 32.9 MB in the beginning and 29.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 115.09 ms. Allocated memory is still 50.3 MB. Free memory was 29.9 MB in the beginning and 27.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 25270.28 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.7 MB in the beginning and 30.2 MB in the end (delta: -3.5 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 22901.30 ms. Allocated memory is still 60.8 MB. Free memory was 29.5 MB in the beginning and 19.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * Witness Printer took 191.58 ms. Allocated memory is still 60.8 MB. Free memory was 19.7 MB in the beginning and 32.8 MB in the end (delta: -13.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 - 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: 3]: 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: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant [2020-11-23 16:23:33,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:33,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:33,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:33,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:23:33,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:23:33,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:33,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:33,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:33,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:33,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:23:33,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:23:33,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:33,073 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,074 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:23:33,074 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:23:33,074 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:23:33,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:33,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:33,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:33,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:23:33,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:23:33,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:33,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:33,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:33,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:33,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:23:33,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:23:33,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-11-23 16:23:33,078 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,078 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:23:33,079 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:23:33,079 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((\exists v_skolemized_q#valueAsBitvector_11 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_11[63:32]) == ix) && (\exists v_skolemized_q#valueAsBitvector_11 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && v_skolemized_q#valueAsBitvector_11[63:32] == hx)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 19]: Loop Invariant [2020-11-23 16:23:33,081 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,083 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,083 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,084 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,084 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,085 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,085 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,086 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,086 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,092 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,092 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,092 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,094 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,094 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,094 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) == \result && 1bv32 == \result - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 151]: Loop Invariant [2020-11-23 16:23:33,095 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,096 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:23:33,096 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:23:33,096 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:23:33,097 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,097 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:23:33,097 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:23:33,097 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant [2020-11-23 16:23:33,101 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,101 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,101 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,104 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,105 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,105 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,105 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,106 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,106 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,106 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,108 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,108 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,109 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:23:33,109 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) == \result - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 162 SDtfs, 20 SDslu, 30 SDs, 0 SdLazy, 21 SolverSat, 1 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred 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, 20 LocationsWithAnnotation, 20 PreInvPairs, 25 NumberOfFragments, 162 HoareAnnotationTreeSize, 20 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 110 FormulaSimplificationTreeSizeReductionInter, 8.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 5 QuantifiedInterpolants, 7496 SizeOfPredicates, 17 NumberOfNonLiveVariables, 192 ConjunctsInSsa, 20 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...