./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0670.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_0670.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 bb50b7c19c9d21598c287653a966a53d9b3d656b ............................................................................................................................................................................................................................................................................................................................................... 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_0670.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 bb50b7c19c9d21598c287653a966a53d9b3d656b ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:31:00,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 01:31:00,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 01:31:00,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 01:31:00,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 01:31:00,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 01:31:00,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 01:31:00,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 01:31:00,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 01:31:00,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 01:31:00,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 01:31:00,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 01:31:00,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 01:31:00,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 01:31:00,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 01:31:00,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 01:31:00,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 01:31:00,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 01:31:00,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 01:31:00,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 01:31:00,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 01:31:00,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 01:31:00,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 01:31:00,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 01:31:00,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 01:31:00,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 01:31:00,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 01:31:00,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 01:31:00,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 01:31:00,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 01:31:00,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 01:31:00,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 01:31:00,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 01:31:00,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 01:31:00,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 01:31:00,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 01:31:00,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 01:31:00,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 01:31:00,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 01:31:00,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 01:31:00,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 01:31:00,452 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 01:31:00,485 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 01:31:00,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 01:31:00,487 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 01:31:00,487 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 01:31:00,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 01:31:00,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 01:31:00,490 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 01:31:00,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 01:31:00,490 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 01:31:00,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 01:31:00,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 01:31:00,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 01:31:00,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 01:31:00,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 01:31:00,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 01:31:00,492 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 01:31:00,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 01:31:00,492 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 01:31:00,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 01:31:00,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 01:31:00,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 01:31:00,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 01:31:00,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 01:31:00,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 01:31:00,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 01:31:00,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 01:31:00,494 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 01:31:00,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 01:31:00,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 01:31:00,495 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 01:31:00,495 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb50b7c19c9d21598c287653a966a53d9b3d656b [2021-08-26 01:31:00,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 01:31:00,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 01:31:00,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 01:31:00,844 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 01:31:00,845 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 01:31:00,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2021-08-26 01:31:00,921 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcc59f442/fd8802c29bf747cfba252cab3d0c8d78/FLAGc754e5d9f [2021-08-26 01:31:01,428 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 01:31:01,428 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2021-08-26 01:31:01,441 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcc59f442/fd8802c29bf747cfba252cab3d0c8d78/FLAGc754e5d9f [2021-08-26 01:31:01,891 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcc59f442/fd8802c29bf747cfba252cab3d0c8d78 [2021-08-26 01:31:01,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 01:31:01,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 01:31:01,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 01:31:01,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 01:31:01,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 01:31:01,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 01:31:01" (1/1) ... [2021-08-26 01:31:01,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30bf4eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:31:01, skipping insertion in model container [2021-08-26 01:31:01,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 01:31:01" (1/1) ... [2021-08-26 01:31:01,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 01:31:01,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 01:31:02,182 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_0670.c[6324,6337] [2021-08-26 01:31:02,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 01:31:02,207 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 01:31:02,274 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_0670.c[6324,6337] [2021-08-26 01:31:02,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 01:31:02,302 INFO L208 MainTranslator]: Completed translation [2021-08-26 01:31:02,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:31:02 WrapperNode [2021-08-26 01:31:02,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 01:31:02,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 01:31:02,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 01:31:02,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 01:31:02,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:31:02" (1/1) ... [2021-08-26 01:31:02,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:31:02" (1/1) ... [2021-08-26 01:31:02,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 01:31:02,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 01:31:02,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 01:31:02,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 01:31:02,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:31:02" (1/1) ... [2021-08-26 01:31:02,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:31:02" (1/1) ... [2021-08-26 01:31:02,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:31:02" (1/1) ... [2021-08-26 01:31:02,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:31:02" (1/1) ... [2021-08-26 01:31:02,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:31:02" (1/1) ... [2021-08-26 01:31:02,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:31:02" (1/1) ... [2021-08-26 01:31:02,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:31:02" (1/1) ... [2021-08-26 01:31:02,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 01:31:02,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 01:31:02,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 01:31:02,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 01:31:02,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:31:02" (1/1) ... [2021-08-26 01:31:02,496 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 01:31:02,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 01:31:02,518 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 01:31:02,549 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 01:31:02,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 01:31:02,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 01:31:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-08-26 01:31:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-26 01:31:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-08-26 01:31:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 01:31:02,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 01:31:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-26 01:31:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-08-26 01:31:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-26 01:31:03,433 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 01:31:03,433 INFO L299 CfgBuilder]: Removed 50 assume(true) statements. [2021-08-26 01:31:03,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 01:31:03 BoogieIcfgContainer [2021-08-26 01:31:03,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 01:31:03,437 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 01:31:03,438 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 01:31:03,440 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 01:31:03,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 01:31:01" (1/3) ... [2021-08-26 01:31:03,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@115e09ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 01:31:03, skipping insertion in model container [2021-08-26 01:31:03,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:31:02" (2/3) ... [2021-08-26 01:31:03,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@115e09ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 01:31:03, skipping insertion in model container [2021-08-26 01:31:03,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 01:31:03" (3/3) ... [2021-08-26 01:31:03,443 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0670.c [2021-08-26 01:31:03,449 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 01:31:03,449 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-26 01:31:03,488 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 01:31:03,494 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 01:31:03,494 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-26 01:31:03,510 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 117 states have (on average 1.6923076923076923) internal successors, (198), 118 states have internal predecessors, (198), 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 01:31:03,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-08-26 01:31:03,515 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 01:31:03,515 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 01:31:03,516 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 01:31:03,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 01:31:03,521 INFO L82 PathProgramCache]: Analyzing trace with hash 2082511170, now seen corresponding path program 1 times [2021-08-26 01:31:03,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 01:31:03,530 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813412326] [2021-08-26 01:31:03,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 01:31:03,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 01:31:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 01:31:03,786 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 01:31:03,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 01:31:03,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813412326] [2021-08-26 01:31:03,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813412326] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 01:31:03,789 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 01:31:03,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 01:31:03,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572125164] [2021-08-26 01:31:03,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 01:31:03,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 01:31:03,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 01:31:03,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 01:31:03,812 INFO L87 Difference]: Start difference. First operand has 119 states, 117 states have (on average 1.6923076923076923) internal successors, (198), 118 states have internal predecessors, (198), 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 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 01:31:03,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 01:31:03,854 INFO L93 Difference]: Finished difference Result 232 states and 388 transitions. [2021-08-26 01:31:03,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 01:31:03,856 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 14 [2021-08-26 01:31:03,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 01:31:03,867 INFO L225 Difference]: With dead ends: 232 [2021-08-26 01:31:03,867 INFO L226 Difference]: Without dead ends: 115 [2021-08-26 01:31:03,871 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 01:31:03,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-08-26 01:31:03,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-08-26 01:31:03,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.4385964912280702) internal successors, (164), 114 states have internal predecessors, (164), 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 01:31:03,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions. [2021-08-26 01:31:03,918 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 14 [2021-08-26 01:31:03,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 01:31:03,919 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions. [2021-08-26 01:31:03,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 01:31:03,920 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2021-08-26 01:31:03,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-26 01:31:03,922 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 01:31:03,922 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 01:31:03,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 01:31:03,923 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 01:31:03,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 01:31:03,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1907166553, now seen corresponding path program 1 times [2021-08-26 01:31:03,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 01:31:03,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536102589] [2021-08-26 01:31:03,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 01:31:03,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 01:31:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 01:31:04,053 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-26 01:31:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 01:31:04,194 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-26 01:31:04,194 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-26 01:31:04,196 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 01:31:04,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 01:31:04,203 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 01:31:04,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 01:31:04 BoogieIcfgContainer [2021-08-26 01:31:04,274 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 01:31:04,275 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 01:31:04,275 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 01:31:04,276 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 01:31:04,276 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 01:31:03" (3/4) ... [2021-08-26 01:31:04,279 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-26 01:31:04,280 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 01:31:04,282 INFO L168 Benchmark]: Toolchain (without parser) took 2380.28 ms. Allocated memory was 58.7 MB in the beginning and 90.2 MB in the end (delta: 31.5 MB). Free memory was 36.7 MB in the beginning and 60.9 MB in the end (delta: -24.2 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2021-08-26 01:31:04,283 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 58.7 MB. Free memory was 39.3 MB in the beginning and 39.2 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 01:31:04,285 INFO L168 Benchmark]: CACSL2BoogieTranslator took 395.54 ms. Allocated memory is still 58.7 MB. Free memory was 36.5 MB in the beginning and 38.0 MB in the end (delta: -1.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-08-26 01:31:04,286 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.25 ms. Allocated memory is still 58.7 MB. Free memory was 38.0 MB in the beginning and 34.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 01:31:04,290 INFO L168 Benchmark]: Boogie Preprocessor took 92.93 ms. Allocated memory is still 58.7 MB. Free memory was 34.5 MB in the beginning and 31.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 01:31:04,291 INFO L168 Benchmark]: RCFGBuilder took 948.98 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 31.3 MB in the beginning and 41.7 MB in the end (delta: -10.4 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2021-08-26 01:31:04,292 INFO L168 Benchmark]: TraceAbstraction took 836.79 ms. Allocated memory was 71.3 MB in the beginning and 90.2 MB in the end (delta: 18.9 MB). Free memory was 41.4 MB in the beginning and 61.4 MB in the end (delta: -20.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2021-08-26 01:31:04,292 INFO L168 Benchmark]: Witness Printer took 4.79 ms. Allocated memory is still 90.2 MB. Free memory was 61.4 MB in the beginning and 60.9 MB in the end (delta: 547.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 01:31:04,300 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 39.3 MB in the beginning and 39.2 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 395.54 ms. Allocated memory is still 58.7 MB. Free memory was 36.5 MB in the beginning and 38.0 MB in the end (delta: -1.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.25 ms. Allocated memory is still 58.7 MB. Free memory was 38.0 MB in the beginning and 34.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 92.93 ms. Allocated memory is still 58.7 MB. Free memory was 34.5 MB in the beginning and 31.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 948.98 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 31.3 MB in the beginning and 41.7 MB in the end (delta: -10.4 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 836.79 ms. Allocated memory was 71.3 MB in the beginning and 90.2 MB in the end (delta: 18.9 MB). Free memory was 41.4 MB in the beginning and 61.4 MB in the end (delta: -20.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.79 ms. Allocated memory is still 90.2 MB. Free memory was 61.4 MB in the beginning and 60.9 MB in the end (delta: 547.6 kB). 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: 264]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 247. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L255] double x = __VERIFIER_nondet_double(); [L256] double y = __VERIFIER_nondet_double(); [L247] return x != x; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L258] isnan_double(x) || isnan_double(y) VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L258] COND TRUE isnan_double(x) || isnan_double(y) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L260] double res = __ieee754_atan2(y, x); [L247] return x != x; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L263] COND TRUE !isnan_double(res) [L264] reach_error() VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 119 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 715.3ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 11.4ms, AutomataDifference: 74.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 169 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=119occurred 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: 35.6ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 26.8ms SsaConstructionTime, 174.0ms SatisfiabilityAnalysisTime, 85.7ms InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 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 01:31:04,343 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 01:31:06,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 01:31:06,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 01:31:06,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 01:31:06,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 01:31:06,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 01:31:06,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 01:31:06,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 01:31:06,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 01:31:06,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 01:31:06,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 01:31:06,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 01:31:06,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 01:31:06,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 01:31:06,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 01:31:06,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 01:31:06,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 01:31:06,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 01:31:06,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 01:31:06,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 01:31:06,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 01:31:06,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 01:31:06,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 01:31:06,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 01:31:06,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 01:31:06,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 01:31:06,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 01:31:06,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 01:31:06,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 01:31:06,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 01:31:06,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 01:31:06,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 01:31:06,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 01:31:06,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 01:31:06,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 01:31:06,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 01:31:06,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 01:31:06,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 01:31:06,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 01:31:06,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 01:31:06,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 01:31:06,420 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-08-26 01:31:06,440 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 01:31:06,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 01:31:06,441 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 01:31:06,442 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 01:31:06,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 01:31:06,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 01:31:06,443 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 01:31:06,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 01:31:06,444 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 01:31:06,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 01:31:06,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 01:31:06,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 01:31:06,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 01:31:06,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 01:31:06,445 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-26 01:31:06,446 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-26 01:31:06,446 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 01:31:06,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 01:31:06,446 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 01:31:06,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 01:31:06,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 01:31:06,447 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 01:31:06,447 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 01:31:06,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 01:31:06,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 01:31:06,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 01:31:06,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 01:31:06,448 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-26 01:31:06,449 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-26 01:31:06,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 01:31:06,449 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 01:31:06,449 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-26 01:31:06,450 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb50b7c19c9d21598c287653a966a53d9b3d656b [2021-08-26 01:31:06,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 01:31:06,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 01:31:06,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 01:31:06,873 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 01:31:06,877 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 01:31:06,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2021-08-26 01:31:06,954 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7328ee54/226701d3cf864fc88ae9003462d0bff6/FLAG319845877 [2021-08-26 01:31:07,514 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 01:31:07,524 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2021-08-26 01:31:07,533 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7328ee54/226701d3cf864fc88ae9003462d0bff6/FLAG319845877 [2021-08-26 01:31:07,878 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7328ee54/226701d3cf864fc88ae9003462d0bff6 [2021-08-26 01:31:07,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 01:31:07,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 01:31:07,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 01:31:07,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 01:31:07,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 01:31:07,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 01:31:07" (1/1) ... [2021-08-26 01:31:07,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec3e3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:31:07, skipping insertion in model container [2021-08-26 01:31:07,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 01:31:07" (1/1) ... [2021-08-26 01:31:07,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 01:31:07,929 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 01:31:08,091 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_0670.c[6324,6337] [2021-08-26 01:31:08,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 01:31:08,144 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 01:31:08,234 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_0670.c[6324,6337] [2021-08-26 01:31:08,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 01:31:08,254 INFO L208 MainTranslator]: Completed translation [2021-08-26 01:31:08,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:31:08 WrapperNode [2021-08-26 01:31:08,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 01:31:08,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 01:31:08,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 01:31:08,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 01:31:08,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:31:08" (1/1) ... [2021-08-26 01:31:08,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:31:08" (1/1) ... [2021-08-26 01:31:08,306 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 01:31:08,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 01:31:08,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 01:31:08,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 01:31:08,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:31:08" (1/1) ... [2021-08-26 01:31:08,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:31:08" (1/1) ... [2021-08-26 01:31:08,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:31:08" (1/1) ... [2021-08-26 01:31:08,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:31:08" (1/1) ... [2021-08-26 01:31:08,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:31:08" (1/1) ... [2021-08-26 01:31:08,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:31:08" (1/1) ... [2021-08-26 01:31:08,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:31:08" (1/1) ... [2021-08-26 01:31:08,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 01:31:08,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 01:31:08,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 01:31:08,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 01:31:08,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:31:08" (1/1) ... [2021-08-26 01:31:08,377 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 01:31:08,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 01:31:08,410 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 01:31:08,433 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 01:31:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-08-26 01:31:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-08-26 01:31:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-08-26 01:31:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 01:31:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-08-26 01:31:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-08-26 01:31:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 01:31:08,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 01:31:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-08-26 01:31:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-26 01:31:51,230 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 01:31:51,232 INFO L299 CfgBuilder]: Removed 50 assume(true) statements. [2021-08-26 01:31:51,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 01:31:51 BoogieIcfgContainer [2021-08-26 01:31:51,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 01:31:51,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 01:31:51,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 01:31:51,240 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 01:31:51,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 01:31:07" (1/3) ... [2021-08-26 01:31:51,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@954570e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 01:31:51, skipping insertion in model container [2021-08-26 01:31:51,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:31:08" (2/3) ... [2021-08-26 01:31:51,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@954570e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 01:31:51, skipping insertion in model container [2021-08-26 01:31:51,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 01:31:51" (3/3) ... [2021-08-26 01:31:51,243 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0670.c [2021-08-26 01:31:51,247 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 01:31:51,248 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-26 01:31:51,316 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 01:31:51,321 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 01:31:51,322 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-26 01:31:51,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 117 states have (on average 1.6923076923076923) internal successors, (198), 118 states have internal predecessors, (198), 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 01:31:51,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-08-26 01:31:51,344 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 01:31:51,344 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 01:31:51,345 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 01:31:51,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 01:31:51,350 INFO L82 PathProgramCache]: Analyzing trace with hash 2082511170, now seen corresponding path program 1 times [2021-08-26 01:31:51,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 01:31:51,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1838985221] [2021-08-26 01:31:51,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 01:31:51,361 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 01:31:51,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 01:31:51,364 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 01:31:51,373 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 01:31:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 01:31:51,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjunts are in the unsatisfiable core [2021-08-26 01:31:51,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 01:31:52,129 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 01:31:52,129 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 01:31:52,495 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 01:31:52,496 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 01:31:52,496 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1838985221] [2021-08-26 01:31:52,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1838985221] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 01:31:52,496 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 01:31:52,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-08-26 01:31:52,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032990721] [2021-08-26 01:31:52,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 01:31:52,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 01:31:52,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 01:31:52,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 01:31:52,518 INFO L87 Difference]: Start difference. First operand has 119 states, 117 states have (on average 1.6923076923076923) internal successors, (198), 118 states have internal predecessors, (198), 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 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 01:31:52,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 01:31:52,543 INFO L93 Difference]: Finished difference Result 232 states and 388 transitions. [2021-08-26 01:31:52,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 01:31:52,544 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 14 [2021-08-26 01:31:52,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 01:31:52,551 INFO L225 Difference]: With dead ends: 232 [2021-08-26 01:31:52,551 INFO L226 Difference]: Without dead ends: 115 [2021-08-26 01:31:52,554 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 01:31:52,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-08-26 01:31:52,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-08-26 01:31:52,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.4385964912280702) internal successors, (164), 114 states have internal predecessors, (164), 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 01:31:52,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions. [2021-08-26 01:31:52,585 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 14 [2021-08-26 01:31:52,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 01:31:52,585 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions. [2021-08-26 01:31:52,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 01:31:52,586 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2021-08-26 01:31:52,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-26 01:31:52,586 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 01:31:52,586 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 01:31:52,606 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 01:31:52,788 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 01:31:52,789 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 01:31:52,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 01:31:52,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1907166553, now seen corresponding path program 1 times [2021-08-26 01:31:52,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 01:31:52,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2063821125] [2021-08-26 01:31:52,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 01:31:52,790 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 01:31:52,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 01:31:52,792 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 01:31:52,792 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 01:31:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 01:31:53,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-26 01:31:53,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 01:32:01,384 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 01:32:01,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 01:32:36,442 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 01:32:36,442 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 01:32:36,442 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2063821125] [2021-08-26 01:32:36,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2063821125] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 01:32:36,443 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 01:32:36,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2021-08-26 01:32:36,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678287000] [2021-08-26 01:32:36,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-26 01:32:36,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 01:32:36,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-26 01:32:36,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-08-26 01:32:36,446 INFO L87 Difference]: Start difference. First operand 115 states and 164 transitions. Second operand has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 17 states have internal predecessors, (31), 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 01:37:47,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 01:37:47,535 INFO L93 Difference]: Finished difference Result 213 states and 299 transitions. [2021-08-26 01:37:47,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-26 01:37:47,621 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 17 states have internal predecessors, (31), 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 16 [2021-08-26 01:37:47,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 01:37:47,623 INFO L225 Difference]: With dead ends: 213 [2021-08-26 01:37:47,623 INFO L226 Difference]: Without dead ends: 208 [2021-08-26 01:37:47,624 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 45336.9ms TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2021-08-26 01:37:47,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-08-26 01:37:47,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 123. [2021-08-26 01:37:47,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 122 states have (on average 1.4098360655737705) internal successors, (172), 122 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 01:37:47,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 172 transitions. [2021-08-26 01:37:47,638 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 172 transitions. Word has length 16 [2021-08-26 01:37:47,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 01:37:47,638 INFO L470 AbstractCegarLoop]: Abstraction has 123 states and 172 transitions. [2021-08-26 01:37:47,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 17 states have internal predecessors, (31), 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 01:37:47,639 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 172 transitions. [2021-08-26 01:37:47,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-26 01:37:47,640 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 01:37:47,640 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 01:37:47,662 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 01:37:47,853 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 01:37:47,853 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 01:37:47,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 01:37:47,854 INFO L82 PathProgramCache]: Analyzing trace with hash 2144381910, now seen corresponding path program 1 times [2021-08-26 01:37:47,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 01:37:47,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [327382226] [2021-08-26 01:37:47,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 01:37:47,854 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 01:37:47,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 01:37:47,855 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 01:37:47,857 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 01:37:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 01:37:48,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-26 01:37:48,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 01:37:56,783 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 01:37:56,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 01:38:25,433 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 01:38:25,434 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 01:38:25,434 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [327382226] [2021-08-26 01:38:25,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [327382226] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 01:38:25,434 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 01:38:25,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2021-08-26 01:38:25,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593089281] [2021-08-26 01:38:25,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-26 01:38:25,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 01:38:25,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-26 01:38:25,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-08-26 01:38:25,436 INFO L87 Difference]: Start difference. First operand 123 states and 172 transitions. Second operand has 15 states, 15 states have (on average 2.2) internal successors, (33), 15 states have internal predecessors, (33), 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 01:39:48,136 WARN L207 SmtUtils]: Spent 5.28 s on a formula simplification that was a NOOP. DAG size: 20 [2021-08-26 01:43:00,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 01:43:00,074 INFO L93 Difference]: Finished difference Result 213 states and 298 transitions. [2021-08-26 01:43:00,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-26 01:43:00,331 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.2) internal successors, (33), 15 states have internal predecessors, (33), 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 17 [2021-08-26 01:43:00,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 01:43:00,332 INFO L225 Difference]: With dead ends: 213 [2021-08-26 01:43:00,332 INFO L226 Difference]: Without dead ends: 208 [2021-08-26 01:43:00,333 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 46638.0ms TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2021-08-26 01:43:00,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-08-26 01:43:00,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 128. [2021-08-26 01:43:00,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 1.4094488188976377) internal successors, (179), 127 states have internal predecessors, (179), 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 01:43:00,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 179 transitions. [2021-08-26 01:43:00,342 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 179 transitions. Word has length 17 [2021-08-26 01:43:00,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 01:43:00,343 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 179 transitions. [2021-08-26 01:43:00,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.2) internal successors, (33), 15 states have internal predecessors, (33), 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 01:43:00,343 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 179 transitions. [2021-08-26 01:43:00,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-26 01:43:00,344 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 01:43:00,344 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 01:43:00,364 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 01:43:00,544 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 01:43:00,545 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 01:43:00,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 01:43:00,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1759093575, now seen corresponding path program 1 times [2021-08-26 01:43:00,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 01:43:00,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1207110971] [2021-08-26 01:43:00,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 01:43:00,547 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 01:43:00,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 01:43:00,549 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-26 01:43:00,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-08-26 01:43:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 01:43:00,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-26 01:43:00,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 01:43:06,493 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 01:43:06,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 01:43:15,821 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 01:43:15,821 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 01:43:15,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1207110971] [2021-08-26 01:43:15,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1207110971] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 01:43:15,822 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 01:43:15,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-08-26 01:43:15,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291488473] [2021-08-26 01:43:15,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-08-26 01:43:15,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 01:43:15,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-26 01:43:15,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-08-26 01:43:15,823 INFO L87 Difference]: Start difference. First operand 128 states and 179 transitions. Second operand has 14 states, 14 states have (on average 2.5) internal successors, (35), 14 states have internal predecessors, (35), 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 01:43:30,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 01:43:30,641 INFO L93 Difference]: Finished difference Result 224 states and 312 transitions. [2021-08-26 01:43:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-26 01:43:30,642 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.5) internal successors, (35), 14 states have internal predecessors, (35), 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 21 [2021-08-26 01:43:30,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 01:43:30,643 INFO L225 Difference]: With dead ends: 224 [2021-08-26 01:43:30,643 INFO L226 Difference]: Without dead ends: 191 [2021-08-26 01:43:30,644 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 17582.1ms TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2021-08-26 01:43:30,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-08-26 01:43:30,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 132. [2021-08-26 01:43:30,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 1.4045801526717556) internal successors, (184), 131 states have internal predecessors, (184), 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 01:43:30,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 184 transitions. [2021-08-26 01:43:30,652 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 184 transitions. Word has length 21 [2021-08-26 01:43:30,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 01:43:30,653 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 184 transitions. [2021-08-26 01:43:30,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.5) internal successors, (35), 14 states have internal predecessors, (35), 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 01:43:30,653 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2021-08-26 01:43:30,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-26 01:43:30,654 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 01:43:30,654 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 01:43:30,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-08-26 01:43:30,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 01:43:30,865 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 01:43:30,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 01:43:30,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1210389367, now seen corresponding path program 1 times [2021-08-26 01:43:30,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 01:43:30,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1692683953] [2021-08-26 01:43:30,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 01:43:30,866 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 01:43:30,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 01:43:30,868 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-26 01:43:30,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-08-26 01:43:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 01:43:31,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-26 01:43:31,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 01:43:34,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-08-26 01:43:37,171 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 01:43:37,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 01:43:41,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2021-08-26 01:43:43,871 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 01:43:43,872 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 01:43:43,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1692683953] [2021-08-26 01:43:43,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1692683953] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 01:43:43,873 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 01:43:43,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 12 [2021-08-26 01:43:43,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197148519] [2021-08-26 01:43:43,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-26 01:43:43,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 01:43:43,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-26 01:43:43,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=104, Unknown=1, NotChecked=0, Total=132 [2021-08-26 01:43:43,876 INFO L87 Difference]: Start difference. First operand 132 states and 184 transitions. Second operand has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 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 01:44:02,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 01:44:02,276 INFO L93 Difference]: Finished difference Result 197 states and 277 transitions. [2021-08-26 01:44:02,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-26 01:44:02,277 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 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 21 [2021-08-26 01:44:02,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 01:44:02,278 INFO L225 Difference]: With dead ends: 197 [2021-08-26 01:44:02,278 INFO L226 Difference]: Without dead ends: 115 [2021-08-26 01:44:02,278 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 14867.8ms TimeCoverageRelationStatistics Valid=71, Invalid=200, Unknown=1, NotChecked=0, Total=272 [2021-08-26 01:44:02,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-08-26 01:44:02,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-08-26 01:44:02,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.412280701754386) internal successors, (161), 114 states have internal predecessors, (161), 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 01:44:02,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 161 transitions. [2021-08-26 01:44:02,295 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 161 transitions. Word has length 21 [2021-08-26 01:44:02,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 01:44:02,295 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 161 transitions. [2021-08-26 01:44:02,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 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 01:44:02,296 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 161 transitions. [2021-08-26 01:44:02,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-26 01:44:02,296 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 01:44:02,296 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 01:44:02,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-08-26 01:44:02,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 01:44:02,497 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 01:44:02,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 01:44:02,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1508066396, now seen corresponding path program 1 times [2021-08-26 01:44:02,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 01:44:02,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1625393857] [2021-08-26 01:44:02,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 01:44:02,498 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 01:44:02,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 01:44:02,500 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-26 01:44:02,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-08-26 01:44:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 01:44:03,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-26 01:44:03,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 01:44:05,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-08-26 01:44:07,628 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 01:44:07,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 01:44:11,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2021-08-26 01:44:13,652 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 01:44:13,653 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 01:44:13,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1625393857] [2021-08-26 01:44:13,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1625393857] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 01:44:13,653 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 01:44:13,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-08-26 01:44:13,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806218052] [2021-08-26 01:44:13,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-26 01:44:13,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 01:44:13,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-26 01:44:13,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=86, Unknown=1, NotChecked=0, Total=110 [2021-08-26 01:44:13,655 INFO L87 Difference]: Start difference. First operand 115 states and 161 transitions. Second operand has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 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 01:44:21,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 01:44:21,087 INFO L93 Difference]: Finished difference Result 115 states and 161 transitions. [2021-08-26 01:44:21,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 01:44:21,087 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 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 22 [2021-08-26 01:44:21,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 01:44:21,087 INFO L225 Difference]: With dead ends: 115 [2021-08-26 01:44:21,087 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 01:44:21,088 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 13119.3ms TimeCoverageRelationStatistics Valid=65, Invalid=174, Unknown=1, NotChecked=0, Total=240 [2021-08-26 01:44:21,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 01:44:21,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 01:44:21,088 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 01:44:21,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 01:44:21,089 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2021-08-26 01:44:21,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 01:44:21,089 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 01:44:21,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 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 01:44:21,089 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 01:44:21,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 01:44:21,091 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 01:44:21,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-08-26 01:44:21,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 01:44:21,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 01:44:21,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:44:21,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:44:21,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:44:21,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:44:21,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:44:21,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:44:21,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:44:21,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:44:21,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:44:21,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:44:21,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:44:21,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:44:21,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:44:21,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:44:21,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:44:21,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:44:21,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:44:21,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:44:21,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:44:21,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:44:39,435 INFO L857 garLoopResultBuilder]: For program point L201(line 201) no Hoare annotation was computed. [2021-08-26 01:44:39,435 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 70 74) no Hoare annotation was computed. [2021-08-26 01:44:39,435 INFO L853 garLoopResultBuilder]: At program point L70-2(lines 70 74) the Hoare annotation is: false [2021-08-26 01:44:39,435 INFO L857 garLoopResultBuilder]: For program point L70-3(lines 70 74) no Hoare annotation was computed. [2021-08-26 01:44:39,435 INFO L857 garLoopResultBuilder]: For program point L70-5(lines 70 74) no Hoare annotation was computed. [2021-08-26 01:44:39,436 INFO L853 garLoopResultBuilder]: At program point L70-6(lines 70 74) the Hoare annotation is: false [2021-08-26 01:44:39,436 INFO L857 garLoopResultBuilder]: For program point L70-7(lines 70 74) no Hoare annotation was computed. [2021-08-26 01:44:39,436 INFO L860 garLoopResultBuilder]: At program point L269(lines 249 270) the Hoare annotation is: true [2021-08-26 01:44:39,436 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-08-26 01:44:39,436 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 180) no Hoare annotation was computed. [2021-08-26 01:44:39,436 INFO L857 garLoopResultBuilder]: For program point L170-2(lines 144 244) no Hoare annotation was computed. [2021-08-26 01:44:39,436 INFO L857 garLoopResultBuilder]: For program point L171(lines 171 179) no Hoare annotation was computed. [2021-08-26 01:44:39,436 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-08-26 01:44:39,436 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-08-26 01:44:39,437 INFO L857 garLoopResultBuilder]: For program point L172-2(line 172) no Hoare annotation was computed. [2021-08-26 01:44:39,437 INFO L857 garLoopResultBuilder]: For program point L239(line 239) no Hoare annotation was computed. [2021-08-26 01:44:39,437 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-08-26 01:44:39,437 INFO L857 garLoopResultBuilder]: For program point L107(lines 107 113) no Hoare annotation was computed. [2021-08-26 01:44:39,437 INFO L857 garLoopResultBuilder]: For program point L107-2(lines 90 115) no Hoare annotation was computed. [2021-08-26 01:44:39,437 INFO L857 garLoopResultBuilder]: For program point L107-3(lines 107 113) no Hoare annotation was computed. [2021-08-26 01:44:39,437 INFO L857 garLoopResultBuilder]: For program point L107-5(lines 90 115) no Hoare annotation was computed. [2021-08-26 01:44:39,438 INFO L857 garLoopResultBuilder]: For program point L241(line 241) no Hoare annotation was computed. [2021-08-26 01:44:39,438 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-08-26 01:44:39,438 INFO L857 garLoopResultBuilder]: For program point L76(lines 76 89) no Hoare annotation was computed. [2021-08-26 01:44:39,438 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 76 89) no Hoare annotation was computed. [2021-08-26 01:44:39,438 INFO L857 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2021-08-26 01:44:39,438 INFO L853 garLoopResultBuilder]: At program point L144(lines 144 244) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) (.cse1 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse0 (not (fp.eq ULTIMATE.start___ieee754_atan2_~y ULTIMATE.start___ieee754_atan2_~y)) (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) .cse1 (exists ((ULTIMATE.start___ieee754_atan2_~x (_ FloatingPoint 11 53)) (ULTIMATE.start___ieee754_atan2_~y (_ FloatingPoint 11 53))) (and (= (fp.add roundNearestTiesToEven ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~y) |ULTIMATE.start___ieee754_atan2_#res|) (not (fp.eq ULTIMATE.start___ieee754_atan2_~y ULTIMATE.start___ieee754_atan2_~y))))) (and (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) (not (fp.eq ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~x)) .cse0 .cse1 (exists ((ULTIMATE.start___ieee754_atan2_~x (_ FloatingPoint 11 53)) (ULTIMATE.start___ieee754_atan2_~y (_ FloatingPoint 11 53))) (and (not (fp.eq ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~x)) (= (fp.add roundNearestTiesToEven ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~y) |ULTIMATE.start___ieee754_atan2_#res|)))))) [2021-08-26 01:44:39,439 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2021-08-26 01:44:39,439 INFO L853 garLoopResultBuilder]: At program point L78-2(lines 78 82) the Hoare annotation is: false [2021-08-26 01:44:39,439 INFO L857 garLoopResultBuilder]: For program point L78-3(lines 76 89) no Hoare annotation was computed. [2021-08-26 01:44:39,439 INFO L857 garLoopResultBuilder]: For program point L78-5(lines 78 82) no Hoare annotation was computed. [2021-08-26 01:44:39,439 INFO L853 garLoopResultBuilder]: At program point L78-6(lines 78 82) the Hoare annotation is: false [2021-08-26 01:44:39,439 INFO L857 garLoopResultBuilder]: For program point L78-7(lines 76 89) no Hoare annotation was computed. [2021-08-26 01:44:39,439 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-08-26 01:44:39,440 INFO L857 garLoopResultBuilder]: For program point L212-2(line 212) no Hoare annotation was computed. [2021-08-26 01:44:39,440 INFO L853 garLoopResultBuilder]: At program point L247(line 247) the Hoare annotation is: (and (let ((.cse0 (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (or (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isnan_double_#res|)) (and (not .cse0) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)))) (= currentRoundingMode roundNearestTiesToEven)) [2021-08-26 01:44:39,440 INFO L853 garLoopResultBuilder]: At program point L247-1(line 247) the Hoare annotation is: (let ((.cse0 (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))) (let ((.cse1 (not .cse0)) (.cse2 (not |ULTIMATE.start_main_#t~short49|))) (and (or (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isnan_double_#res|)) (and (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|) .cse1)) (or .cse2 .cse1) (let ((.cse3 (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (or (and .cse3 .cse2) (and |ULTIMATE.start_main_#t~short49| (not .cse3)))) (= currentRoundingMode roundNearestTiesToEven)))) [2021-08-26 01:44:39,440 INFO L853 garLoopResultBuilder]: At program point L247-2(line 247) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) (.cse1 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse0 (not (fp.eq ULTIMATE.start___ieee754_atan2_~y ULTIMATE.start___ieee754_atan2_~y)) (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) .cse1 (exists ((ULTIMATE.start___ieee754_atan2_~x (_ FloatingPoint 11 53)) (ULTIMATE.start___ieee754_atan2_~y (_ FloatingPoint 11 53))) (and (= (fp.add roundNearestTiesToEven ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~y) |ULTIMATE.start___ieee754_atan2_#res|) (not (fp.eq ULTIMATE.start___ieee754_atan2_~y ULTIMATE.start___ieee754_atan2_~y))))) (and (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) (not (fp.eq ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~x)) .cse0 .cse1 (exists ((ULTIMATE.start___ieee754_atan2_~x (_ FloatingPoint 11 53)) (ULTIMATE.start___ieee754_atan2_~y (_ FloatingPoint 11 53))) (and (not (fp.eq ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~x)) (= (fp.add roundNearestTiesToEven ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~y) |ULTIMATE.start___ieee754_atan2_#res|)))))) [2021-08-26 01:44:39,440 INFO L857 garLoopResultBuilder]: For program point L215(lines 215 220) no Hoare annotation was computed. [2021-08-26 01:44:39,440 INFO L857 garLoopResultBuilder]: For program point L149-1(lines 149 154) no Hoare annotation was computed. [2021-08-26 01:44:39,441 INFO L853 garLoopResultBuilder]: At program point L149-2(lines 149 154) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) (.cse1 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse0 (not (fp.eq ULTIMATE.start___ieee754_atan2_~y ULTIMATE.start___ieee754_atan2_~y)) (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) .cse1) (and (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) (not (fp.eq ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~x)) .cse0 .cse1))) [2021-08-26 01:44:39,441 INFO L857 garLoopResultBuilder]: For program point L149-3(lines 149 154) no Hoare annotation was computed. [2021-08-26 01:44:39,441 INFO L857 garLoopResultBuilder]: For program point L183(line 183) no Hoare annotation was computed. [2021-08-26 01:44:39,441 INFO L857 garLoopResultBuilder]: For program point L183-2(line 183) no Hoare annotation was computed. [2021-08-26 01:44:39,441 INFO L857 garLoopResultBuilder]: For program point L217(lines 217 220) no Hoare annotation was computed. [2021-08-26 01:44:39,441 INFO L857 garLoopResultBuilder]: For program point L217-2(lines 215 220) no Hoare annotation was computed. [2021-08-26 01:44:39,441 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 88) no Hoare annotation was computed. [2021-08-26 01:44:39,442 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 85 88) no Hoare annotation was computed. [2021-08-26 01:44:39,442 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 01:44:39,442 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 209) no Hoare annotation was computed. [2021-08-26 01:44:39,442 INFO L857 garLoopResultBuilder]: For program point L185-1(lines 144 244) no Hoare annotation was computed. [2021-08-26 01:44:39,442 INFO L857 garLoopResultBuilder]: For program point L186(lines 186 208) no Hoare annotation was computed. [2021-08-26 01:44:39,442 INFO L857 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2021-08-26 01:44:39,442 INFO L853 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2021-08-26 01:44:39,443 INFO L857 garLoopResultBuilder]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2021-08-26 01:44:39,443 INFO L853 garLoopResultBuilder]: At program point L21-6(lines 21 25) the Hoare annotation is: false [2021-08-26 01:44:39,443 INFO L857 garLoopResultBuilder]: For program point L21-9(lines 21 25) no Hoare annotation was computed. [2021-08-26 01:44:39,443 INFO L853 garLoopResultBuilder]: At program point L21-10(lines 21 25) the Hoare annotation is: false [2021-08-26 01:44:39,443 INFO L857 garLoopResultBuilder]: For program point L187(lines 187 196) no Hoare annotation was computed. [2021-08-26 01:44:39,443 INFO L857 garLoopResultBuilder]: For program point L221(lines 221 243) no Hoare annotation was computed. [2021-08-26 01:44:39,443 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-08-26 01:44:39,443 INFO L857 garLoopResultBuilder]: For program point L222(line 222) no Hoare annotation was computed. [2021-08-26 01:44:39,444 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 156 161) no Hoare annotation was computed. [2021-08-26 01:44:39,444 INFO L853 garLoopResultBuilder]: At program point L156-2(lines 156 161) the Hoare annotation is: (let ((.cse2 (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) (.cse3 (= currentRoundingMode roundNearestTiesToEven))) (or (and (exists ((|v_skolemized_q#valueAsBitvector_32| (_ BitVec 64))) (and (= ULTIMATE.start___ieee754_atan2_~hx~1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_32|)) (= ULTIMATE.start___ieee754_atan2_~lx~0 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_32|)) (not (let ((.cse0 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_32|)))) (fp.eq .cse0 .cse0))))) (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) (exists ((|v_skolemized_q#valueAsBitvector_32| (_ BitVec 64))) (and (= ULTIMATE.start___ieee754_atan2_~lx~0 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_32|)) (= ULTIMATE.start___ieee754_atan2_~ix~1 (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_32|))) (not (let ((.cse1 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_32|)))) (fp.eq .cse1 .cse1))))) (not (fp.eq ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~x)) .cse2 .cse3) (and .cse2 (not (fp.eq ULTIMATE.start___ieee754_atan2_~y ULTIMATE.start___ieee754_atan2_~y)) (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) .cse3))) [2021-08-26 01:44:39,444 INFO L857 garLoopResultBuilder]: For program point L90(lines 90 115) no Hoare annotation was computed. [2021-08-26 01:44:39,444 INFO L857 garLoopResultBuilder]: For program point L156-3(lines 156 161) no Hoare annotation was computed. [2021-08-26 01:44:39,444 INFO L857 garLoopResultBuilder]: For program point L90-2(lines 90 115) no Hoare annotation was computed. [2021-08-26 01:44:39,444 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 01:44:39,444 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-08-26 01:44:39,444 INFO L857 garLoopResultBuilder]: For program point L91(lines 91 94) no Hoare annotation was computed. [2021-08-26 01:44:39,445 INFO L857 garLoopResultBuilder]: For program point L91-2(lines 91 94) no Hoare annotation was computed. [2021-08-26 01:44:39,445 INFO L857 garLoopResultBuilder]: For program point L91-3(lines 91 94) no Hoare annotation was computed. [2021-08-26 01:44:39,445 INFO L857 garLoopResultBuilder]: For program point L91-5(lines 91 94) no Hoare annotation was computed. [2021-08-26 01:44:39,445 INFO L857 garLoopResultBuilder]: For program point L224(line 224) no Hoare annotation was computed. [2021-08-26 01:44:39,445 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 93) no Hoare annotation was computed. [2021-08-26 01:44:39,445 INFO L857 garLoopResultBuilder]: For program point L92-1(lines 92 93) no Hoare annotation was computed. [2021-08-26 01:44:39,445 INFO L857 garLoopResultBuilder]: For program point L26(lines 26 31) no Hoare annotation was computed. [2021-08-26 01:44:39,445 INFO L857 garLoopResultBuilder]: For program point L26-1(lines 19 33) no Hoare annotation was computed. [2021-08-26 01:44:39,446 INFO L857 garLoopResultBuilder]: For program point L26-2(lines 26 31) no Hoare annotation was computed. [2021-08-26 01:44:39,446 INFO L857 garLoopResultBuilder]: For program point L26-3(lines 26 31) no Hoare annotation was computed. [2021-08-26 01:44:39,446 INFO L857 garLoopResultBuilder]: For program point L26-4(lines 19 33) no Hoare annotation was computed. [2021-08-26 01:44:39,446 INFO L857 garLoopResultBuilder]: For program point L26-5(lines 26 31) no Hoare annotation was computed. [2021-08-26 01:44:39,446 INFO L857 garLoopResultBuilder]: For program point L26-6(lines 26 31) no Hoare annotation was computed. [2021-08-26 01:44:39,446 INFO L857 garLoopResultBuilder]: For program point L26-7(lines 19 33) no Hoare annotation was computed. [2021-08-26 01:44:39,446 INFO L857 garLoopResultBuilder]: For program point L26-8(lines 26 31) no Hoare annotation was computed. [2021-08-26 01:44:39,446 INFO L857 garLoopResultBuilder]: For program point L258(line 258) no Hoare annotation was computed. [2021-08-26 01:44:39,447 INFO L857 garLoopResultBuilder]: For program point L258-2(lines 258 267) no Hoare annotation was computed. [2021-08-26 01:44:39,447 INFO L857 garLoopResultBuilder]: For program point L192(line 192) no Hoare annotation was computed. [2021-08-26 01:44:39,447 INFO L857 garLoopResultBuilder]: For program point L258-4(lines 258 267) no Hoare annotation was computed. [2021-08-26 01:44:39,447 INFO L857 garLoopResultBuilder]: For program point L226-1(lines 226 230) no Hoare annotation was computed. [2021-08-26 01:44:39,447 INFO L853 garLoopResultBuilder]: At program point L226-2(lines 226 230) the Hoare annotation is: false [2021-08-26 01:44:39,447 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 01:44:39,447 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-08-26 01:44:39,447 INFO L857 garLoopResultBuilder]: For program point L128(lines 128 133) no Hoare annotation was computed. [2021-08-26 01:44:39,448 INFO L857 garLoopResultBuilder]: For program point L128-1(lines 128 133) no Hoare annotation was computed. [2021-08-26 01:44:39,448 INFO L857 garLoopResultBuilder]: For program point L163(lines 163 165) no Hoare annotation was computed. [2021-08-26 01:44:39,448 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 266) no Hoare annotation was computed. [2021-08-26 01:44:39,448 INFO L857 garLoopResultBuilder]: For program point L98(lines 98 114) no Hoare annotation was computed. [2021-08-26 01:44:39,448 INFO L857 garLoopResultBuilder]: For program point L98-1(lines 98 114) no Hoare annotation was computed. [2021-08-26 01:44:39,448 INFO L853 garLoopResultBuilder]: At program point L32(lines 19 33) the Hoare annotation is: false [2021-08-26 01:44:39,448 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 01:44:39,448 INFO L853 garLoopResultBuilder]: At program point L32-1(lines 19 33) the Hoare annotation is: false [2021-08-26 01:44:39,448 INFO L853 garLoopResultBuilder]: At program point L32-2(lines 19 33) the Hoare annotation is: false [2021-08-26 01:44:39,448 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 264) no Hoare annotation was computed. [2021-08-26 01:44:39,449 INFO L857 garLoopResultBuilder]: For program point L264(line 264) no Hoare annotation was computed. [2021-08-26 01:44:39,449 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 236) no Hoare annotation was computed. [2021-08-26 01:44:39,449 INFO L857 garLoopResultBuilder]: For program point L198(lines 198 207) no Hoare annotation was computed. [2021-08-26 01:44:39,449 INFO L857 garLoopResultBuilder]: For program point L231-1(lines 224 237) no Hoare annotation was computed. [2021-08-26 01:44:39,449 INFO L857 garLoopResultBuilder]: For program point L231-2(lines 231 236) no Hoare annotation was computed. [2021-08-26 01:44:39,449 INFO L857 garLoopResultBuilder]: For program point L132(line 132) no Hoare annotation was computed. [2021-08-26 01:44:39,449 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 105) no Hoare annotation was computed. [2021-08-26 01:44:39,449 INFO L857 garLoopResultBuilder]: For program point L132-2(line 132) no Hoare annotation was computed. [2021-08-26 01:44:39,449 INFO L853 garLoopResultBuilder]: At program point L132-3(lines 66 134) the Hoare annotation is: false [2021-08-26 01:44:39,449 INFO L857 garLoopResultBuilder]: For program point L99-3(lines 99 105) no Hoare annotation was computed. [2021-08-26 01:44:39,449 INFO L857 garLoopResultBuilder]: For program point L132-4(line 132) no Hoare annotation was computed. [2021-08-26 01:44:39,449 INFO L857 garLoopResultBuilder]: For program point L132-6(line 132) no Hoare annotation was computed. [2021-08-26 01:44:39,449 INFO L853 garLoopResultBuilder]: At program point L132-7(lines 66 134) the Hoare annotation is: false [2021-08-26 01:44:39,450 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-08-26 01:44:39,450 INFO L857 garLoopResultBuilder]: For program point L166(lines 166 167) no Hoare annotation was computed. [2021-08-26 01:44:39,452 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 01:44:39,459 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,460 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,463 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,463 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,465 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,465 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,466 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,466 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,466 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,466 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,466 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,466 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,466 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,467 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,467 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,467 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,467 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,467 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,467 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,468 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,468 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,468 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,471 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,471 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,471 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,471 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,471 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,471 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,472 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,473 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,473 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,474 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,474 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,474 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,474 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,474 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,474 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,474 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,475 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,476 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,476 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,476 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,476 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,476 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,476 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,476 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,476 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,477 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,477 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,477 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,477 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,478 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,478 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,478 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,478 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,478 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,478 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,478 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,479 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,479 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,479 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,479 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,479 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,480 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,480 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,480 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,480 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,480 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,480 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,481 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,481 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,481 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,481 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,481 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,481 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,482 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,483 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 01:44:39 BoogieIcfgContainer [2021-08-26 01:44:39,484 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 01:44:39,484 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 01:44:39,484 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 01:44:39,485 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 01:44:39,485 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 01:31:51" (3/4) ... [2021-08-26 01:44:39,488 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 01:44:39,503 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-08-26 01:44:39,504 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-08-26 01:44:39,505 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 01:44:39,505 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 01:44:39,525 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.eq~DOUBLE(x, x) && 0bv32 == \result) || (!~fp.eq~DOUBLE(x, x) && 1bv32 == \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-08-26 01:44:39,526 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~fp.eq~DOUBLE(y, y) && 0bv32 == \result) || (1bv32 == \result && !~fp.eq~DOUBLE(y, y))) && (!aux-isnan_double(x) || isnan_double(y)-aux || !~fp.eq~DOUBLE(y, y))) && ((~fp.eq~DOUBLE(x, x) && !aux-isnan_double(x) || isnan_double(y)-aux) || (aux-isnan_double(x) || isnan_double(y)-aux && !~fp.eq~DOUBLE(x, x)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-08-26 01:44:39,526 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1bv32 == \result && !~fp.eq~DOUBLE(y, y)) && !~fp.eq~DOUBLE(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || (((!~fp.eq~DOUBLE(x, x) && !~fp.eq~DOUBLE(x, x)) && 1bv32 == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) [2021-08-26 01:44:39,526 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\exists v_skolemized_q#valueAsBitvector_32 : bv64 :: (hx == v_skolemized_q#valueAsBitvector_32[63:32] && lx == v_skolemized_q#valueAsBitvector_32[31:0]) && !~fp.eq~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]), ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]))) && !~fp.eq~DOUBLE(x, x)) && (\exists v_skolemized_q#valueAsBitvector_32 : bv64 :: (lx == v_skolemized_q#valueAsBitvector_32[31:0] && ix == ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_32[63:32])) && !~fp.eq~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]), ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0])))) && !~fp.eq~DOUBLE(x, x)) && 1bv32 == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || (((1bv32 == \result && !~fp.eq~DOUBLE(y, y)) && !~fp.eq~DOUBLE(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) [2021-08-26 01:44:39,527 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1bv32 == \result && !~fp.eq~DOUBLE(y, y)) && !~fp.eq~DOUBLE(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_atan2_~x : C_DOUBLE, ULTIMATE.start___ieee754_atan2_~y : C_DOUBLE :: ~fp.add~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~y) == \result && !~fp.eq~DOUBLE(ULTIMATE.start___ieee754_atan2_~y, ULTIMATE.start___ieee754_atan2_~y))) || ((((!~fp.eq~DOUBLE(x, x) && !~fp.eq~DOUBLE(x, x)) && 1bv32 == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_atan2_~x : C_DOUBLE, ULTIMATE.start___ieee754_atan2_~y : C_DOUBLE :: !~fp.eq~DOUBLE(ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~x) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~y) == \result)) [2021-08-26 01:44:39,527 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1bv32 == \result && !~fp.eq~DOUBLE(y, y)) && !~fp.eq~DOUBLE(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_atan2_~x : C_DOUBLE, ULTIMATE.start___ieee754_atan2_~y : C_DOUBLE :: ~fp.add~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~y) == \result && !~fp.eq~DOUBLE(ULTIMATE.start___ieee754_atan2_~y, ULTIMATE.start___ieee754_atan2_~y))) || ((((!~fp.eq~DOUBLE(x, x) && !~fp.eq~DOUBLE(x, x)) && 1bv32 == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_atan2_~x : C_DOUBLE, ULTIMATE.start___ieee754_atan2_~y : C_DOUBLE :: !~fp.eq~DOUBLE(ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~x) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~y) == \result)) [2021-08-26 01:44:39,559 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 01:44:39,559 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 01:44:39,562 INFO L168 Benchmark]: Toolchain (without parser) took 811680.61 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 47.8 MB in the beginning and 67.7 MB in the end (delta: -19.9 MB). Peak memory consumption was 49.3 MB. Max. memory is 16.1 GB. [2021-08-26 01:44:39,563 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 67.1 MB. Free memory is still 49.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 01:44:39,563 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.06 ms. Allocated memory is still 67.1 MB. Free memory was 47.6 MB in the beginning and 46.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-26 01:44:39,563 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.77 ms. Allocated memory is still 67.1 MB. Free memory was 46.4 MB in the beginning and 42.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 01:44:39,564 INFO L168 Benchmark]: Boogie Preprocessor took 52.89 ms. Allocated memory is still 67.1 MB. Free memory was 42.6 MB in the beginning and 39.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 01:44:39,564 INFO L168 Benchmark]: RCFGBuilder took 42874.50 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 39.0 MB in the beginning and 42.7 MB in the end (delta: -3.7 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. [2021-08-26 01:44:39,564 INFO L168 Benchmark]: TraceAbstraction took 768246.83 ms. Allocated memory is still 90.2 MB. Free memory was 42.2 MB in the beginning and 31.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. [2021-08-26 01:44:39,565 INFO L168 Benchmark]: Witness Printer took 77.27 ms. Allocated memory is still 90.2 MB. Free memory was 31.2 MB in the beginning and 67.7 MB in the end (delta: -36.6 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2021-08-26 01:44:39,566 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 67.1 MB. Free memory is still 49.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 372.06 ms. Allocated memory is still 67.1 MB. Free memory was 47.6 MB in the beginning and 46.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.77 ms. Allocated memory is still 67.1 MB. Free memory was 46.4 MB in the beginning and 42.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.89 ms. Allocated memory is still 67.1 MB. Free memory was 42.6 MB in the beginning and 39.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 42874.50 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 39.0 MB in the beginning and 42.7 MB in the end (delta: -3.7 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 768246.83 ms. Allocated memory is still 90.2 MB. Free memory was 42.2 MB in the beginning and 31.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. * Witness Printer took 77.27 ms. Allocated memory is still 90.2 MB. Free memory was 31.2 MB in the beginning and 67.7 MB in the end (delta: -36.6 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,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[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,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[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,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[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,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[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,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[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,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[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,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[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,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[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,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 * 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: 264]: 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, 119 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 768137.9ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 11.9ms, AutomataDifference: 626783.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 18129.3ms, InitialAbstractionConstructionTime: 14.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 825 SDtfs, 2003 SDslu, 5377 SDs, 0 SdLazy, 930 SolverSat, 47 SolverUnsat, 141 SolverUnknown, 0 SolverNotchecked, 551059.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 238 GetRequests, 149 SyntacticMatches, 2 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 137544.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=4, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 69.3ms AutomataMinimizationTime, 6 MinimizatonAttempts, 224 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 29 NumberOfFragments, 300 HoareAnnotationTreeSize, 20 FomulaSimplifications, 46 FormulaSimplificationTreeSizeReduction, 152.0ms HoareSimplificationTime, 20 FomulaSimplificationsInter, 60 FormulaSimplificationTreeSizeReductionInter, 17969.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 128.6ms SsaConstructionTime, 1893.5ms SatisfiabilityAnalysisTime, 119166.5ms InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 210 ConstructedInterpolants, 52 QuantifiedInterpolants, 1466 SizeOfPredicates, 70 NumberOfNonLiveVariables, 872 ConjunctsInSsa, 74 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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: 149]: Loop Invariant [2021-08-26 01:44:39,581 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,582 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,582 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,582 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((1bv32 == \result && !~fp.eq~DOUBLE(y, y)) && !~fp.eq~DOUBLE(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || (((!~fp.eq~DOUBLE(x, x) && !~fp.eq~DOUBLE(x, x)) && 1bv32 == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 156]: Loop Invariant [2021-08-26 01:44:39,583 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,583 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,583 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,583 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,583 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,584 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,584 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,584 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,584 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,584 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,584 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,584 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,585 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,585 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,585 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,585 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,585 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,585 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,586 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,586 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,586 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,586 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,586 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,587 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,587 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,587 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,587 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,587 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,587 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,587 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,588 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,588 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,588 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,588 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-08-26 01:44:39,588 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,588 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((\exists v_skolemized_q#valueAsBitvector_32 : bv64 :: (hx == v_skolemized_q#valueAsBitvector_32[63:32] && lx == v_skolemized_q#valueAsBitvector_32[31:0]) && !~fp.eq~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]), ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]))) && !~fp.eq~DOUBLE(x, x)) && (\exists v_skolemized_q#valueAsBitvector_32 : bv64 :: (lx == v_skolemized_q#valueAsBitvector_32[31:0] && ix == ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_32[63:32])) && !~fp.eq~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]), ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0])))) && !~fp.eq~DOUBLE(x, x)) && 1bv32 == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || (((1bv32 == \result && !~fp.eq~DOUBLE(y, y)) && !~fp.eq~DOUBLE(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant [2021-08-26 01:44:39,589 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,589 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~fp.eq~DOUBLE(x, x) && 0bv32 == \result) || (!~fp.eq~DOUBLE(x, x) && 1bv32 == \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 144]: Loop Invariant [2021-08-26 01:44:39,590 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,590 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,590 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,590 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,591 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,591 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,591 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,591 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,591 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,591 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,591 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,592 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,592 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,592 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,592 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,592 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,593 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,593 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,593 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,593 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,593 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,593 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,593 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,593 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] Derived loop invariant: ((((1bv32 == \result && !~fp.eq~DOUBLE(y, y)) && !~fp.eq~DOUBLE(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_atan2_~x : C_DOUBLE, ULTIMATE.start___ieee754_atan2_~y : C_DOUBLE :: ~fp.add~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~y) == \result && !~fp.eq~DOUBLE(ULTIMATE.start___ieee754_atan2_~y, ULTIMATE.start___ieee754_atan2_~y))) || ((((!~fp.eq~DOUBLE(x, x) && !~fp.eq~DOUBLE(x, x)) && 1bv32 == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_atan2_~x : C_DOUBLE, ULTIMATE.start___ieee754_atan2_~y : C_DOUBLE :: !~fp.eq~DOUBLE(ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~x) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~y) == \result)) - InvariantResult [Line: 247]: Loop Invariant [2021-08-26 01:44:39,594 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,594 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,594 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,594 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,595 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,595 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,595 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,595 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,595 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,595 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,595 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,595 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,596 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,596 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,596 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,596 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,596 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,596 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-08-26 01:44:39,597 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,597 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,597 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,597 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,597 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-08-26 01:44:39,597 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] Derived loop invariant: ((((1bv32 == \result && !~fp.eq~DOUBLE(y, y)) && !~fp.eq~DOUBLE(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_atan2_~x : C_DOUBLE, ULTIMATE.start___ieee754_atan2_~y : C_DOUBLE :: ~fp.add~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~y) == \result && !~fp.eq~DOUBLE(ULTIMATE.start___ieee754_atan2_~y, ULTIMATE.start___ieee754_atan2_~y))) || ((((!~fp.eq~DOUBLE(x, x) && !~fp.eq~DOUBLE(x, x)) && 1bv32 == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_atan2_~x : C_DOUBLE, ULTIMATE.start___ieee754_atan2_~y : C_DOUBLE :: !~fp.eq~DOUBLE(ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~x) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~y) == \result)) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant [2021-08-26 01:44:39,599 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-26 01:44:39,599 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((~fp.eq~DOUBLE(y, y) && 0bv32 == \result) || (1bv32 == \result && !~fp.eq~DOUBLE(y, y))) && (!aux-isnan_double(x) || isnan_double(y)-aux || !~fp.eq~DOUBLE(y, y))) && ((~fp.eq~DOUBLE(x, x) && !aux-isnan_double(x) || isnan_double(y)-aux) || (aux-isnan_double(x) || isnan_double(y)-aux && !~fp.eq~DOUBLE(x, x)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-26 01:44:39,816 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 01:44:39,965 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...