./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0470.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec 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 ../sv-benchmarks/c/float-newlib/double_req_bl_0470.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 9ff7db1eeded42846704563d91b80b24f7e19034 ...................................................................................................................................................................................................................................................................................................................... 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 ../sv-benchmarks/c/float-newlib/double_req_bl_0470.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 9ff7db1eeded42846704563d91b80b24f7e19034 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 01:23:53,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 01:23:53,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 01:23:53,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 01:23:53,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 01:23:53,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 01:23:53,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 01:23:53,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 01:23:53,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 01:23:53,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 01:23:53,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 01:23:53,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 01:23:53,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 01:23:53,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 01:23:53,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 01:23:53,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 01:23:53,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 01:23:53,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 01:23:53,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 01:23:53,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 01:23:53,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 01:23:53,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 01:23:53,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 01:23:53,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 01:23:53,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 01:23:53,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 01:23:53,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 01:23:53,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 01:23:53,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 01:23:53,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 01:23:53,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 01:23:53,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 01:23:53,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 01:23:53,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 01:23:53,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 01:23:53,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 01:23:53,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 01:23:53,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 01:23:53,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 01:23:53,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 01:23:53,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 01:23:53,498 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 01:23:53,518 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 01:23:53,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 01:23:53,519 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 01:23:53,519 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 01:23:53,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 01:23:53,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 01:23:53,520 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 01:23:53,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 01:23:53,521 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 01:23:53,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 01:23:53,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 01:23:53,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 01:23:53,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 01:23:53,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 01:23:53,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 01:23:53,522 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 01:23:53,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 01:23:53,522 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 01:23:53,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 01:23:53,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 01:23:53,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 01:23:53,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 01:23:53,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 01:23:53,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 01:23:53,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 01:23:53,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 01:23:53,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 01:23:53,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 01:23:53,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 01:23:53,524 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 01:23:53,525 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ff7db1eeded42846704563d91b80b24f7e19034 [2021-08-26 01:23:53,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 01:23:53,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 01:23:53,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 01:23:53,867 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 01:23:53,868 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 01:23:53,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0470.c [2021-08-26 01:23:53,941 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c0524362/4a6bdce6ec124445a902321ca5b3227b/FLAG129c9aecb [2021-08-26 01:23:54,366 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 01:23:54,366 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0470.c [2021-08-26 01:23:54,384 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c0524362/4a6bdce6ec124445a902321ca5b3227b/FLAG129c9aecb [2021-08-26 01:23:54,751 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c0524362/4a6bdce6ec124445a902321ca5b3227b [2021-08-26 01:23:54,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 01:23:54,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 01:23:54,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 01:23:54,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 01:23:54,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 01:23:54,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 01:23:54" (1/1) ... [2021-08-26 01:23:54,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7acd60b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:23:54, skipping insertion in model container [2021-08-26 01:23:54,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 01:23:54" (1/1) ... [2021-08-26 01:23:54,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 01:23:54,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 01:23:54,976 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0470.c[5751,5764] [2021-08-26 01:23:54,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 01:23:54,986 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 01:23:55,080 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0470.c[5751,5764] [2021-08-26 01:23:55,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 01:23:55,098 INFO L208 MainTranslator]: Completed translation [2021-08-26 01:23:55,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:23:55 WrapperNode [2021-08-26 01:23:55,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 01:23:55,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 01:23:55,100 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 01:23:55,100 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 01:23:55,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:23:55" (1/1) ... [2021-08-26 01:23:55,117 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:23:55" (1/1) ... [2021-08-26 01:23:55,150 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 01:23:55,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 01:23:55,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 01:23:55,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 01:23:55,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:23:55" (1/1) ... [2021-08-26 01:23:55,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:23:55" (1/1) ... [2021-08-26 01:23:55,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:23:55" (1/1) ... [2021-08-26 01:23:55,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:23:55" (1/1) ... [2021-08-26 01:23:55,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:23:55" (1/1) ... [2021-08-26 01:23:55,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:23:55" (1/1) ... [2021-08-26 01:23:55,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:23:55" (1/1) ... [2021-08-26 01:23:55,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 01:23:55,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 01:23:55,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 01:23:55,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 01:23:55,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:23:55" (1/1) ... [2021-08-26 01:23:55,199 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 01:23:55,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 01:23:55,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 01:23:55,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 01:23:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 01:23:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 01:23:55,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-08-26 01:23:55,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-26 01:23:55,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-08-26 01:23:55,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 01:23:55,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 01:23:55,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-26 01:23:55,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-26 01:23:55,997 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 01:23:55,997 INFO L299 CfgBuilder]: Removed 34 assume(true) statements. [2021-08-26 01:23:55,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 01:23:55 BoogieIcfgContainer [2021-08-26 01:23:56,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 01:23:56,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 01:23:56,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 01:23:56,006 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 01:23:56,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 01:23:54" (1/3) ... [2021-08-26 01:23:56,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf11b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 01:23:56, skipping insertion in model container [2021-08-26 01:23:56,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:23:55" (2/3) ... [2021-08-26 01:23:56,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf11b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 01:23:56, skipping insertion in model container [2021-08-26 01:23:56,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 01:23:55" (3/3) ... [2021-08-26 01:23:56,009 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0470.c [2021-08-26 01:23:56,014 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 01:23:56,014 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-26 01:23:56,064 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 01:23:56,071 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 01:23:56,072 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-26 01:23:56,090 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 102 states have (on average 1.6862745098039216) internal successors, (172), 103 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 01:23:56,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-26 01:23:56,105 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 01:23:56,106 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 01:23:56,106 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 01:23:56,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 01:23:56,112 INFO L82 PathProgramCache]: Analyzing trace with hash 2057048347, now seen corresponding path program 1 times [2021-08-26 01:23:56,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 01:23:56,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391895850] [2021-08-26 01:23:56,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 01:23:56,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 01:23:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 01:23:56,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 01:23:56,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 01:23:56,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391895850] [2021-08-26 01:23:56,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391895850] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 01:23:56,271 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 01:23:56,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 01:23:56,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767501262] [2021-08-26 01:23:56,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 01:23:56,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 01:23:56,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 01:23:56,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 01:23:56,291 INFO L87 Difference]: Start difference. First operand has 104 states, 102 states have (on average 1.6862745098039216) internal successors, (172), 103 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 01:23:56,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 01:23:56,326 INFO L93 Difference]: Finished difference Result 206 states and 342 transitions. [2021-08-26 01:23:56,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 01:23:56,327 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-08-26 01:23:56,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 01:23:56,337 INFO L225 Difference]: With dead ends: 206 [2021-08-26 01:23:56,338 INFO L226 Difference]: Without dead ends: 101 [2021-08-26 01:23:56,341 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 01:23:56,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-08-26 01:23:56,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-08-26 01:23:56,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 100 states have (on average 1.46) internal successors, (146), 100 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 01:23:56,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 146 transitions. [2021-08-26 01:23:56,389 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 146 transitions. Word has length 11 [2021-08-26 01:23:56,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 01:23:56,390 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 146 transitions. [2021-08-26 01:23:56,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 01:23:56,390 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 146 transitions. [2021-08-26 01:23:56,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-08-26 01:23:56,391 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 01:23:56,392 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 01:23:56,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 01:23:56,392 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 01:23:56,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 01:23:56,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1327291576, now seen corresponding path program 1 times [2021-08-26 01:23:56,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 01:23:56,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993119589] [2021-08-26 01:23:56,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 01:23:56,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 01:23:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 01:23:56,464 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-26 01:23:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 01:23:56,544 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-26 01:23:56,544 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-26 01:23:56,545 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 01:23:56,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 01:23:56,552 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 01:23:56,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 01:23:56 BoogieIcfgContainer [2021-08-26 01:23:56,604 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 01:23:56,605 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 01:23:56,605 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 01:23:56,605 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 01:23:56,605 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 01:23:55" (3/4) ... [2021-08-26 01:23:56,608 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-26 01:23:56,608 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 01:23:56,611 INFO L168 Benchmark]: Toolchain (without parser) took 1854.63 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 36.8 MB in the beginning and 38.5 MB in the end (delta: -1.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2021-08-26 01:23:56,612 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 58.7 MB. Free memory was 40.3 MB in the beginning and 40.2 MB in the end (delta: 46.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 01:23:56,614 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.84 ms. Allocated memory is still 58.7 MB. Free memory was 36.7 MB in the beginning and 38.9 MB in the end (delta: -2.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-26 01:23:56,616 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.83 ms. Allocated memory is still 58.7 MB. Free memory was 38.7 MB in the beginning and 35.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 01:23:56,620 INFO L168 Benchmark]: Boogie Preprocessor took 40.33 ms. Allocated memory is still 58.7 MB. Free memory was 35.4 MB in the beginning and 32.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 01:23:56,621 INFO L168 Benchmark]: RCFGBuilder took 807.49 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 32.7 MB in the beginning and 44.3 MB in the end (delta: -11.5 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2021-08-26 01:23:56,621 INFO L168 Benchmark]: TraceAbstraction took 601.22 ms. Allocated memory is still 77.6 MB. Free memory was 43.9 MB in the beginning and 38.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. [2021-08-26 01:23:56,621 INFO L168 Benchmark]: Witness Printer took 4.29 ms. Allocated memory is still 77.6 MB. Free memory is still 38.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 01:23:56,623 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 58.7 MB. Free memory was 40.3 MB in the beginning and 40.2 MB in the end (delta: 46.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 342.84 ms. Allocated memory is still 58.7 MB. Free memory was 36.7 MB in the beginning and 38.9 MB in the end (delta: -2.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.83 ms. Allocated memory is still 58.7 MB. Free memory was 38.7 MB in the beginning and 35.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.33 ms. Allocated memory is still 58.7 MB. Free memory was 35.4 MB in the beginning and 32.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 807.49 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 32.7 MB in the beginning and 44.3 MB in the end (delta: -11.5 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 601.22 ms. Allocated memory is still 77.6 MB. Free memory was 43.9 MB in the beginning and 38.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.29 ms. Allocated memory is still 77.6 MB. Free memory is still 38.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 231]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is 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] [L226] double x = 0.0 / 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=785398163397448279/250000000000000000, 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] [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=785398163397448279/250000000000000000, 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] [L157] COND FALSE !(ix >= 0x3ff00000) 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] [L172] COND TRUE ix < 0x3fe00000 VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, 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] [L227] double res = __ieee754_acos(x); [L19] return x != x; VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, 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] [L230] COND TRUE !isnan_double(res) [L231] reach_error() VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, 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] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 488.8ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 20.8ms, AutomataDifference: 62.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 149 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 35.8ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 17.7ms SsaConstructionTime, 86.6ms SatisfiabilityAnalysisTime, 54.3ms InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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 [2021-08-26 01:23:56,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 01:23:58,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 01:23:58,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 01:23:58,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 01:23:58,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 01:23:58,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 01:23:58,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 01:23:58,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 01:23:58,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 01:23:58,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 01:23:58,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 01:23:58,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 01:23:58,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 01:23:58,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 01:23:58,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 01:23:58,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 01:23:58,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 01:23:58,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 01:23:58,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 01:23:58,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 01:23:58,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 01:23:58,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 01:23:58,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 01:23:58,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 01:23:58,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 01:23:58,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 01:23:58,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 01:23:58,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 01:23:58,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 01:23:58,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 01:23:58,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 01:23:58,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 01:23:58,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 01:23:58,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 01:23:58,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 01:23:58,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 01:23:58,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 01:23:58,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 01:23:58,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 01:23:58,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 01:23:58,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 01:23:58,558 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-08-26 01:23:58,585 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 01:23:58,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 01:23:58,586 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 01:23:58,586 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 01:23:58,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 01:23:58,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 01:23:58,588 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 01:23:58,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 01:23:58,589 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 01:23:58,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 01:23:58,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 01:23:58,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 01:23:58,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 01:23:58,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 01:23:58,590 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-26 01:23:58,590 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-26 01:23:58,590 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 01:23:58,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 01:23:58,591 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 01:23:58,598 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 01:23:58,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 01:23:58,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 01:23:58,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 01:23:58,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 01:23:58,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 01:23:58,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 01:23:58,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 01:23:58,599 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-26 01:23:58,599 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-26 01:23:58,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 01:23:58,600 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 01:23:58,600 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-26 01:23:58,600 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ff7db1eeded42846704563d91b80b24f7e19034 [2021-08-26 01:23:58,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 01:23:58,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 01:23:58,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 01:23:58,942 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 01:23:58,944 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 01:23:58,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0470.c [2021-08-26 01:23:59,009 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11c9831e1/99a410fdc2df479baa2bfe64b8da644c/FLAG66dcab3c5 [2021-08-26 01:23:59,496 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 01:23:59,496 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0470.c [2021-08-26 01:23:59,510 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11c9831e1/99a410fdc2df479baa2bfe64b8da644c/FLAG66dcab3c5 [2021-08-26 01:24:00,021 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11c9831e1/99a410fdc2df479baa2bfe64b8da644c [2021-08-26 01:24:00,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 01:24:00,027 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 01:24:00,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 01:24:00,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 01:24:00,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 01:24:00,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 01:24:00" (1/1) ... [2021-08-26 01:24:00,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a64124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:24:00, skipping insertion in model container [2021-08-26 01:24:00,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 01:24:00" (1/1) ... [2021-08-26 01:24:00,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 01:24:00,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 01:24:00,224 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0470.c[5751,5764] [2021-08-26 01:24:00,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 01:24:00,254 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 01:24:00,355 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0470.c[5751,5764] [2021-08-26 01:24:00,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 01:24:00,374 INFO L208 MainTranslator]: Completed translation [2021-08-26 01:24:00,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:24:00 WrapperNode [2021-08-26 01:24:00,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 01:24:00,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 01:24:00,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 01:24:00,376 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 01:24:00,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:24:00" (1/1) ... [2021-08-26 01:24:00,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:24:00" (1/1) ... [2021-08-26 01:24:00,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 01:24:00,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 01:24:00,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 01:24:00,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 01:24:00,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:24:00" (1/1) ... [2021-08-26 01:24:00,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:24:00" (1/1) ... [2021-08-26 01:24:00,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:24:00" (1/1) ... [2021-08-26 01:24:00,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:24:00" (1/1) ... [2021-08-26 01:24:00,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:24:00" (1/1) ... [2021-08-26 01:24:00,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:24:00" (1/1) ... [2021-08-26 01:24:00,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:24:00" (1/1) ... [2021-08-26 01:24:00,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 01:24:00,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 01:24:00,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 01:24:00,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 01:24:00,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:24:00" (1/1) ... [2021-08-26 01:24:00,510 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 01:24:00,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 01:24:00,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 01:24:00,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 01:24:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-08-26 01:24:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-08-26 01:24:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-08-26 01:24:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 01:24:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-08-26 01:24:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 01:24:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 01:24:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-08-26 01:24:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-26 01:24:24,945 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 01:24:24,946 INFO L299 CfgBuilder]: Removed 34 assume(true) statements. [2021-08-26 01:24:24,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 01:24:24 BoogieIcfgContainer [2021-08-26 01:24:24,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 01:24:24,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 01:24:24,950 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 01:24:24,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 01:24:24,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 01:24:00" (1/3) ... [2021-08-26 01:24:24,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5396a2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 01:24:24, skipping insertion in model container [2021-08-26 01:24:24,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:24:00" (2/3) ... [2021-08-26 01:24:24,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5396a2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 01:24:24, skipping insertion in model container [2021-08-26 01:24:24,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 01:24:24" (3/3) ... [2021-08-26 01:24:24,955 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0470.c [2021-08-26 01:24:24,959 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 01:24:24,959 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-26 01:24:24,998 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 01:24:25,004 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 01:24:25,005 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-26 01:24:25,020 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 102 states have (on average 1.6862745098039216) internal successors, (172), 103 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 01:24:25,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-26 01:24:25,025 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 01:24:25,025 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 01:24:25,026 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 01:24:25,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 01:24:25,031 INFO L82 PathProgramCache]: Analyzing trace with hash 2057048347, now seen corresponding path program 1 times [2021-08-26 01:24:25,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 01:24:25,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1770727576] [2021-08-26 01:24:25,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 01:24:25,042 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 01:24:25,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 01:24:25,043 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-26 01:24:25,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-26 01:24:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 01:24:25,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2021-08-26 01:24:25,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 01:24:26,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 01:24:26,325 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 01:24:26,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 01:24:26,733 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 01:24:26,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1770727576] [2021-08-26 01:24:26,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1770727576] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 01:24:26,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 01:24:26,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-08-26 01:24:26,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270888252] [2021-08-26 01:24:26,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 01:24:26,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 01:24:26,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 01:24:26,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 01:24:26,752 INFO L87 Difference]: Start difference. First operand has 104 states, 102 states have (on average 1.6862745098039216) internal successors, (172), 103 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 01:24:26,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 01:24:26,774 INFO L93 Difference]: Finished difference Result 206 states and 342 transitions. [2021-08-26 01:24:26,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 01:24:26,776 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-08-26 01:24:26,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 01:24:26,783 INFO L225 Difference]: With dead ends: 206 [2021-08-26 01:24:26,784 INFO L226 Difference]: Without dead ends: 101 [2021-08-26 01:24:26,786 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 01:24:26,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-08-26 01:24:26,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-08-26 01:24:26,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 100 states have (on average 1.46) internal successors, (146), 100 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 01:24:26,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 146 transitions. [2021-08-26 01:24:26,818 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 146 transitions. Word has length 11 [2021-08-26 01:24:26,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 01:24:26,818 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 146 transitions. [2021-08-26 01:24:26,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 01:24:26,819 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 146 transitions. [2021-08-26 01:24:26,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-08-26 01:24:26,819 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 01:24:26,819 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 01:24:26,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-08-26 01:24:27,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 01:24:27,033 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 01:24:27,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 01:24:27,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1327291576, now seen corresponding path program 1 times [2021-08-26 01:24:27,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 01:24:27,035 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [604535620] [2021-08-26 01:24:27,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 01:24:27,036 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 01:24:27,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 01:24:27,050 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-26 01:24:27,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-26 01:24:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 01:24:27,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-26 01:24:27,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 01:24:29,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 01:24:29,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 01:24:32,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 01:24:32,270 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 01:24:32,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [604535620] [2021-08-26 01:24:32,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [604535620] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 01:24:32,270 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 01:24:32,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-08-26 01:24:32,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382922698] [2021-08-26 01:24:32,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-26 01:24:32,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 01:24:32,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-26 01:24:32,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-26 01:24:32,273 INFO L87 Difference]: Start difference. First operand 101 states and 146 transitions. Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 01:24:36,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 01:24:36,221 INFO L93 Difference]: Finished difference Result 106 states and 150 transitions. [2021-08-26 01:24:36,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 01:24:36,429 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-08-26 01:24:36,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 01:24:36,429 INFO L225 Difference]: With dead ends: 106 [2021-08-26 01:24:36,429 INFO L226 Difference]: Without dead ends: 14 [2021-08-26 01:24:36,430 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3698.9ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-08-26 01:24:36,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-08-26 01:24:36,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-08-26 01:24:36,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 01:24:36,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2021-08-26 01:24:36,433 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 12 [2021-08-26 01:24:36,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 01:24:36,433 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2021-08-26 01:24:36,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 01:24:36,433 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2021-08-26 01:24:36,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-08-26 01:24:36,434 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 01:24:36,434 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 01:24:36,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-08-26 01:24:36,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 01:24:36,635 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 01:24:36,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 01:24:36,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1300627107, now seen corresponding path program 1 times [2021-08-26 01:24:36,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 01:24:36,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [834069506] [2021-08-26 01:24:36,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 01:24:36,636 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 01:24:36,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 01:24:36,638 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-26 01:24:36,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-08-26 01:24:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 01:24:37,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-26 01:24:37,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 01:24:40,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 01:24:40,907 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 01:24:43,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 01:24:43,767 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 01:24:43,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [834069506] [2021-08-26 01:24:43,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [834069506] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 01:24:43,768 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 01:24:43,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2021-08-26 01:24:43,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939037323] [2021-08-26 01:24:43,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-26 01:24:43,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 01:24:43,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-26 01:24:43,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-08-26 01:24:43,770 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 01:24:50,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 01:24:50,444 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2021-08-26 01:24:50,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 01:24:50,444 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-08-26 01:24:50,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 01:24:50,444 INFO L225 Difference]: With dead ends: 14 [2021-08-26 01:24:50,445 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 01:24:50,445 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4799.7ms TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-08-26 01:24:50,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 01:24:50,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 01:24:50,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 01:24:50,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 01:24:50,446 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2021-08-26 01:24:50,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 01:24:50,446 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 01:24:50,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 01:24:50,446 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 01:24:50,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 01:24:50,448 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 01:24:50,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-08-26 01:24:50,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 01:24:50,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 01:24:50,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:24:50,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:24:50,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:24:50,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:24:50,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:24:50,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:24:50,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:24:50,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:24:50,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:24:50,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:24:50,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:24:50,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:24:50,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:24:50,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:24:50,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:24:50,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:24:50,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:24:50,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:24:50,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:24:50,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:24:53,727 INFO L857 garLoopResultBuilder]: For program point L184(lines 184 216) no Hoare annotation was computed. [2021-08-26 01:24:53,727 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 151 155) no Hoare annotation was computed. [2021-08-26 01:24:53,727 INFO L853 garLoopResultBuilder]: At program point L151-2(lines 151 155) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_acos_~x (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven)) [2021-08-26 01:24:53,727 INFO L857 garLoopResultBuilder]: For program point L151-3(lines 151 155) no Hoare annotation was computed. [2021-08-26 01:24:53,727 INFO L853 garLoopResultBuilder]: At program point L19(line 19) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_acos_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|) (= ULTIMATE.start___ieee754_acos_~x (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven)) [2021-08-26 01:24:53,728 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 01:24:53,728 INFO L853 garLoopResultBuilder]: At program point L86-2(lines 86 102) the Hoare annotation is: false [2021-08-26 01:24:53,728 INFO L857 garLoopResultBuilder]: For program point L86-3(lines 23 131) no Hoare annotation was computed. [2021-08-26 01:24:53,728 INFO L853 garLoopResultBuilder]: At program point L86-6(lines 86 102) the Hoare annotation is: false [2021-08-26 01:24:53,728 INFO L857 garLoopResultBuilder]: For program point L86-7(lines 23 131) no Hoare annotation was computed. [2021-08-26 01:24:53,728 INFO L860 garLoopResultBuilder]: At program point L235(lines 219 236) the Hoare annotation is: true [2021-08-26 01:24:53,728 INFO L857 garLoopResultBuilder]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2021-08-26 01:24:53,728 INFO L853 garLoopResultBuilder]: At program point L54-3(lines 54 55) the Hoare annotation is: false [2021-08-26 01:24:53,728 INFO L857 garLoopResultBuilder]: For program point L54-4(lines 54 55) no Hoare annotation was computed. [2021-08-26 01:24:53,728 INFO L857 garLoopResultBuilder]: For program point L54-7(lines 54 55) no Hoare annotation was computed. [2021-08-26 01:24:53,728 INFO L853 garLoopResultBuilder]: At program point L54-8(lines 54 55) the Hoare annotation is: false [2021-08-26 01:24:53,729 INFO L857 garLoopResultBuilder]: For program point L54-9(lines 54 55) no Hoare annotation was computed. [2021-08-26 01:24:53,729 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 118) no Hoare annotation was computed. [2021-08-26 01:24:53,729 INFO L857 garLoopResultBuilder]: For program point L104-1(lines 104 118) no Hoare annotation was computed. [2021-08-26 01:24:53,729 INFO L857 garLoopResultBuilder]: For program point L121(lines 121 122) no Hoare annotation was computed. [2021-08-26 01:24:53,729 INFO L857 garLoopResultBuilder]: For program point L121-2(lines 121 122) no Hoare annotation was computed. [2021-08-26 01:24:53,729 INFO L857 garLoopResultBuilder]: For program point L121-3(lines 121 122) no Hoare annotation was computed. [2021-08-26 01:24:53,729 INFO L857 garLoopResultBuilder]: For program point L121-5(lines 121 122) no Hoare annotation was computed. [2021-08-26 01:24:53,729 INFO L857 garLoopResultBuilder]: For program point L89(lines 89 98) no Hoare annotation was computed. [2021-08-26 01:24:53,729 INFO L857 garLoopResultBuilder]: For program point L89-2(lines 89 98) no Hoare annotation was computed. [2021-08-26 01:24:53,729 INFO L857 garLoopResultBuilder]: For program point L89-3(lines 89 98) no Hoare annotation was computed. [2021-08-26 01:24:53,729 INFO L857 garLoopResultBuilder]: For program point L89-5(lines 89 98) no Hoare annotation was computed. [2021-08-26 01:24:53,729 INFO L857 garLoopResultBuilder]: For program point L172(lines 172 216) no Hoare annotation was computed. [2021-08-26 01:24:53,730 INFO L857 garLoopResultBuilder]: For program point L106(lines 106 117) no Hoare annotation was computed. [2021-08-26 01:24:53,730 INFO L857 garLoopResultBuilder]: For program point L40(lines 40 45) no Hoare annotation was computed. [2021-08-26 01:24:53,730 INFO L857 garLoopResultBuilder]: For program point L106-2(lines 106 117) no Hoare annotation was computed. [2021-08-26 01:24:53,730 INFO L853 garLoopResultBuilder]: At program point L73-2(lines 73 83) the Hoare annotation is: false [2021-08-26 01:24:53,730 INFO L857 garLoopResultBuilder]: For program point L40-2(lines 40 45) no Hoare annotation was computed. [2021-08-26 01:24:53,730 INFO L857 garLoopResultBuilder]: For program point L73-3(lines 73 83) no Hoare annotation was computed. [2021-08-26 01:24:53,730 INFO L857 garLoopResultBuilder]: For program point L40-3(lines 40 45) no Hoare annotation was computed. [2021-08-26 01:24:53,730 INFO L857 garLoopResultBuilder]: For program point L40-5(lines 40 45) no Hoare annotation was computed. [2021-08-26 01:24:53,730 INFO L853 garLoopResultBuilder]: At program point L73-6(lines 73 83) the Hoare annotation is: false [2021-08-26 01:24:53,730 INFO L857 garLoopResultBuilder]: For program point L73-7(lines 73 83) no Hoare annotation was computed. [2021-08-26 01:24:53,730 INFO L857 garLoopResultBuilder]: For program point L173(lines 173 174) no Hoare annotation was computed. [2021-08-26 01:24:53,731 INFO L857 garLoopResultBuilder]: For program point L41(lines 41 44) no Hoare annotation was computed. [2021-08-26 01:24:53,731 INFO L857 garLoopResultBuilder]: For program point L41-1(lines 41 44) no Hoare annotation was computed. [2021-08-26 01:24:53,731 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 01:24:53,731 INFO L857 garLoopResultBuilder]: For program point L157(lines 157 171) no Hoare annotation was computed. [2021-08-26 01:24:53,731 INFO L857 garLoopResultBuilder]: For program point L91(lines 91 92) no Hoare annotation was computed. [2021-08-26 01:24:53,731 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 124 129) no Hoare annotation was computed. [2021-08-26 01:24:53,731 INFO L853 garLoopResultBuilder]: At program point L124-2(lines 124 129) the Hoare annotation is: false [2021-08-26 01:24:53,731 INFO L857 garLoopResultBuilder]: For program point L91-2(lines 91 92) no Hoare annotation was computed. [2021-08-26 01:24:53,731 INFO L857 garLoopResultBuilder]: For program point L124-3(lines 124 129) no Hoare annotation was computed. [2021-08-26 01:24:53,731 INFO L857 garLoopResultBuilder]: For program point L91-3(lines 91 92) no Hoare annotation was computed. [2021-08-26 01:24:53,731 INFO L857 garLoopResultBuilder]: For program point L124-5(lines 124 129) no Hoare annotation was computed. [2021-08-26 01:24:53,731 INFO L857 garLoopResultBuilder]: For program point L91-5(lines 91 92) no Hoare annotation was computed. [2021-08-26 01:24:53,732 INFO L853 garLoopResultBuilder]: At program point L124-6(lines 124 129) the Hoare annotation is: false [2021-08-26 01:24:53,732 INFO L857 garLoopResultBuilder]: For program point L124-7(lines 124 129) no Hoare annotation was computed. [2021-08-26 01:24:53,732 INFO L857 garLoopResultBuilder]: For program point L108(lines 108 116) no Hoare annotation was computed. [2021-08-26 01:24:53,732 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2021-08-26 01:24:53,732 INFO L857 garLoopResultBuilder]: For program point L108-2(lines 108 116) no Hoare annotation was computed. [2021-08-26 01:24:53,732 INFO L857 garLoopResultBuilder]: For program point L75-2(lines 75 79) no Hoare annotation was computed. [2021-08-26 01:24:53,732 INFO L857 garLoopResultBuilder]: For program point L75-3(lines 75 79) no Hoare annotation was computed. [2021-08-26 01:24:53,732 INFO L857 garLoopResultBuilder]: For program point L75-5(lines 75 79) no Hoare annotation was computed. [2021-08-26 01:24:53,732 INFO L857 garLoopResultBuilder]: For program point L43(lines 43 44) no Hoare annotation was computed. [2021-08-26 01:24:53,732 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 43 44) no Hoare annotation was computed. [2021-08-26 01:24:53,732 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 159 163) no Hoare annotation was computed. [2021-08-26 01:24:53,733 INFO L853 garLoopResultBuilder]: 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 (_ +zero 11 53) (_ +zero 11 53))) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_11|)) ULTIMATE.start___ieee754_acos_~ix~0))) (= ULTIMATE.start___ieee754_acos_~x (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven) (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 (_ +zero 11 53) (_ +zero 11 53))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_11|) ULTIMATE.start___ieee754_acos_~hx~0)))) [2021-08-26 01:24:53,733 INFO L857 garLoopResultBuilder]: For program point L159-3(lines 157 171) no Hoare annotation was computed. [2021-08-26 01:24:53,733 INFO L857 garLoopResultBuilder]: For program point L94(lines 94 95) no Hoare annotation was computed. [2021-08-26 01:24:53,733 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 01:24:53,733 INFO L857 garLoopResultBuilder]: For program point L94-2(lines 94 95) no Hoare annotation was computed. [2021-08-26 01:24:53,733 INFO L857 garLoopResultBuilder]: For program point L94-3(lines 94 95) no Hoare annotation was computed. [2021-08-26 01:24:53,733 INFO L857 garLoopResultBuilder]: For program point L94-5(lines 94 95) no Hoare annotation was computed. [2021-08-26 01:24:53,733 INFO L857 garLoopResultBuilder]: For program point L111(lines 111 116) no Hoare annotation was computed. [2021-08-26 01:24:53,733 INFO L857 garLoopResultBuilder]: For program point L111-3(lines 111 116) no Hoare annotation was computed. [2021-08-26 01:24:53,733 INFO L857 garLoopResultBuilder]: For program point L62(lines 62 65) no Hoare annotation was computed. [2021-08-26 01:24:53,733 INFO L857 garLoopResultBuilder]: For program point L29-1(lines 29 34) no Hoare annotation was computed. [2021-08-26 01:24:53,733 INFO L857 garLoopResultBuilder]: For program point L62-2(lines 62 65) no Hoare annotation was computed. [2021-08-26 01:24:53,734 INFO L853 garLoopResultBuilder]: At program point L29-2(lines 29 34) the Hoare annotation is: false [2021-08-26 01:24:53,734 INFO L857 garLoopResultBuilder]: For program point L62-3(lines 62 65) no Hoare annotation was computed. [2021-08-26 01:24:53,734 INFO L857 garLoopResultBuilder]: For program point L29-3(lines 23 131) no Hoare annotation was computed. [2021-08-26 01:24:53,734 INFO L857 garLoopResultBuilder]: For program point L62-5(lines 62 65) no Hoare annotation was computed. [2021-08-26 01:24:53,734 INFO L857 garLoopResultBuilder]: For program point L29-5(lines 29 34) no Hoare annotation was computed. [2021-08-26 01:24:53,734 INFO L853 garLoopResultBuilder]: At program point L29-6(lines 29 34) the Hoare annotation is: false [2021-08-26 01:24:53,734 INFO L857 garLoopResultBuilder]: For program point L29-7(lines 23 131) no Hoare annotation was computed. [2021-08-26 01:24:53,734 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 113) no Hoare annotation was computed. [2021-08-26 01:24:53,734 INFO L857 garLoopResultBuilder]: For program point L112-2(lines 112 113) no Hoare annotation was computed. [2021-08-26 01:24:53,734 INFO L857 garLoopResultBuilder]: For program point L112-3(lines 112 113) no Hoare annotation was computed. [2021-08-26 01:24:53,734 INFO L857 garLoopResultBuilder]: For program point L112-5(lines 112 113) no Hoare annotation was computed. [2021-08-26 01:24:53,734 INFO L853 garLoopResultBuilder]: At program point L130(lines 23 131) the Hoare annotation is: false [2021-08-26 01:24:53,735 INFO L853 garLoopResultBuilder]: At program point L130-1(lines 23 131) the Hoare annotation is: false [2021-08-26 01:24:53,735 INFO L857 garLoopResultBuilder]: For program point L48(lines 48 59) no Hoare annotation was computed. [2021-08-26 01:24:53,735 INFO L857 garLoopResultBuilder]: For program point L48-2(lines 48 59) no Hoare annotation was computed. [2021-08-26 01:24:53,735 INFO L857 garLoopResultBuilder]: For program point L48-3(lines 48 59) no Hoare annotation was computed. [2021-08-26 01:24:53,735 INFO L857 garLoopResultBuilder]: For program point L48-5(lines 48 59) no Hoare annotation was computed. [2021-08-26 01:24:53,735 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 233) no Hoare annotation was computed. [2021-08-26 01:24:53,735 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 01:24:53,735 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 231) no Hoare annotation was computed. [2021-08-26 01:24:53,735 INFO L853 garLoopResultBuilder]: At program point L49-2(lines 49 53) the Hoare annotation is: false [2021-08-26 01:24:53,735 INFO L857 garLoopResultBuilder]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2021-08-26 01:24:53,735 INFO L853 garLoopResultBuilder]: At program point L49-6(lines 49 53) the Hoare annotation is: false [2021-08-26 01:24:53,735 INFO L857 garLoopResultBuilder]: For program point L49-7(lines 49 53) no Hoare annotation was computed. [2021-08-26 01:24:53,736 INFO L857 garLoopResultBuilder]: For program point L231(line 231) no Hoare annotation was computed. [2021-08-26 01:24:53,736 INFO L857 garLoopResultBuilder]: For program point L165(lines 165 168) no Hoare annotation was computed. [2021-08-26 01:24:53,736 INFO L853 garLoopResultBuilder]: At program point L215(lines 148 217) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_acos_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= ULTIMATE.start___ieee754_acos_~x (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven)) [2021-08-26 01:24:53,736 INFO L857 garLoopResultBuilder]: For program point L200-1(lines 200 205) no Hoare annotation was computed. [2021-08-26 01:24:53,736 INFO L853 garLoopResultBuilder]: At program point L200-2(lines 200 205) the Hoare annotation is: false [2021-08-26 01:24:53,736 INFO L857 garLoopResultBuilder]: For program point L200-3(lines 200 205) no Hoare annotation was computed. [2021-08-26 01:24:53,753 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 01:24:53,765 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,766 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,766 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,766 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-08-26 01:24:53,766 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,767 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,768 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,768 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,768 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,768 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-08-26 01:24:53,768 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,770 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,770 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,770 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,770 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-08-26 01:24:53,770 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,770 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,771 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,771 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,771 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,771 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-08-26 01:24:53,771 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,772 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,772 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,772 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,773 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,773 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,773 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,773 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,773 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,773 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,774 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,774 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,774 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,774 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,775 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,775 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,775 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,775 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,775 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,776 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,776 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,776 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,776 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,776 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,776 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,777 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,777 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,783 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,786 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,786 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,787 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,787 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,787 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,787 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,787 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 01:24:53 BoogieIcfgContainer [2021-08-26 01:24:53,792 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 01:24:53,792 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 01:24:53,792 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 01:24:53,792 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 01:24:53,793 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 01:24:24" (3/4) ... [2021-08-26 01:24:53,795 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 01:24:53,804 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-08-26 01:24:53,807 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-08-26 01:24:53,808 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 01:24:53,809 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 01:24:53,825 WARN L220 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, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_11[63:32]) == ix) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\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, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && v_skolemized_q#valueAsBitvector_11[63:32] == hx) [2021-08-26 01:24:53,825 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-08-26 01:24:53,826 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && 1bv32 == \result) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-08-26 01:24:53,898 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 01:24:53,898 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 01:24:53,902 INFO L168 Benchmark]: Toolchain (without parser) took 53874.44 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 53.5 MB in the beginning and 59.1 MB in the end (delta: -5.5 MB). Peak memory consumption was 39.2 MB. Max. memory is 16.1 GB. [2021-08-26 01:24:53,902 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 69.2 MB. Free memory was 51.8 MB in the beginning and 51.8 MB in the end (delta: 62.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 01:24:53,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.17 ms. Allocated memory is still 69.2 MB. Free memory was 53.3 MB in the beginning and 49.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-26 01:24:53,904 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.09 ms. Allocated memory is still 69.2 MB. Free memory was 49.1 MB in the beginning and 46.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 01:24:53,904 INFO L168 Benchmark]: Boogie Preprocessor took 37.72 ms. Allocated memory is still 69.2 MB. Free memory was 46.0 MB in the beginning and 43.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 01:24:53,904 INFO L168 Benchmark]: RCFGBuilder took 24456.51 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 43.1 MB in the beginning and 55.4 MB in the end (delta: -12.3 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2021-08-26 01:24:53,905 INFO L168 Benchmark]: TraceAbstraction took 28842.28 ms. Allocated memory is still 83.9 MB. Free memory was 54.9 MB in the beginning and 36.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2021-08-26 01:24:53,905 INFO L168 Benchmark]: Witness Printer took 107.96 ms. Allocated memory is still 83.9 MB. Free memory was 36.0 MB in the beginning and 59.1 MB in the end (delta: -23.0 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. [2021-08-26 01:24:53,908 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 69.2 MB. Free memory was 51.8 MB in the beginning and 51.8 MB in the end (delta: 62.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 345.17 ms. Allocated memory is still 69.2 MB. Free memory was 53.3 MB in the beginning and 49.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.09 ms. Allocated memory is still 69.2 MB. Free memory was 49.1 MB in the beginning and 46.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.72 ms. Allocated memory is still 69.2 MB. Free memory was 46.0 MB in the beginning and 43.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 24456.51 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 43.1 MB in the beginning and 55.4 MB in the end (delta: -12.3 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 28842.28 ms. Allocated memory is still 83.9 MB. Free memory was 54.9 MB in the beginning and 36.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. * Witness Printer took 107.96 ms. Allocated memory is still 83.9 MB. Free memory was 36.0 MB in the beginning and 59.1 MB in the end (delta: -23.0 MB). Peak memory consumption was 6.8 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[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[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[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[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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 231]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 28756.1ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 10.0ms, AutomataDifference: 10880.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 3071.4ms, InitialAbstractionConstructionTime: 10.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 162 SDtfs, 31 SDslu, 42 SDs, 0 SdLazy, 27 SolverSat, 1 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 7786.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 8498.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 23.3ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 25 NumberOfFragments, 145 HoareAnnotationTreeSize, 20 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 51.6ms HoareSimplificationTime, 20 FomulaSimplificationsInter, 14 FormulaSimplificationTreeSizeReductionInter, 3011.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 48.5ms SsaConstructionTime, 1522.6ms SatisfiabilityAnalysisTime, 12330.0ms InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 5 QuantifiedInterpolants, 273 SizeOfPredicates, 17 NumberOfNonLiveVariables, 186 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant [2021-08-26 01:24:53,930 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,930 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,930 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,930 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-08-26 01:24:53,930 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,931 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,931 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,931 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,932 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,932 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-08-26 01:24:53,932 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,932 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,932 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,932 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,932 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-08-26 01:24:53,933 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,933 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,933 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,933 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,933 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-08-26 01:24:53,933 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-08-26 01:24:53,933 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] 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, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_11[63:32]) == ix) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\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, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && v_skolemized_q#valueAsBitvector_11[63:32] == hx) - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant [2021-08-26 01:24:53,934 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,934 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant [2021-08-26 01:24:53,934 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,935 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,935 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,935 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,935 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,935 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,935 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,935 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,935 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,935 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,935 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,936 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,936 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,936 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,936 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,936 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 19]: Loop Invariant [2021-08-26 01:24:53,936 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,936 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,936 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,936 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,937 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,937 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,937 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,937 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,937 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,937 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,937 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,937 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,937 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,937 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,938 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:24:53,938 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && 1bv32 == \result) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-26 01:24:54,165 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-08-26 01:24:54,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...