./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0686a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 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/float_req_bl_0686a.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 7ff1c77639f13c737226369dae83b9f0e852161422e44db320e5cd4110ee0e9d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 12:01:34,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 12:01:34,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 12:01:34,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 12:01:34,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 12:01:34,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 12:01:34,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 12:01:34,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 12:01:34,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 12:01:34,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 12:01:34,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 12:01:34,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 12:01:34,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 12:01:34,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 12:01:34,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 12:01:34,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 12:01:34,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 12:01:34,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 12:01:34,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 12:01:34,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 12:01:34,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 12:01:34,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 12:01:34,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 12:01:34,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 12:01:34,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 12:01:34,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 12:01:34,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 12:01:34,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 12:01:34,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 12:01:34,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 12:01:34,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 12:01:34,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 12:01:34,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 12:01:34,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 12:01:34,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 12:01:34,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 12:01:34,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 12:01:34,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 12:01:34,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 12:01:34,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 12:01:34,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 12:01:34,433 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 12:01:34,460 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 12:01:34,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 12:01:34,462 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 12:01:34,462 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 12:01:34,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 12:01:34,463 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 12:01:34,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 12:01:34,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 12:01:34,464 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 12:01:34,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 12:01:34,465 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 12:01:34,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 12:01:34,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 12:01:34,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 12:01:34,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 12:01:34,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 12:01:34,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 12:01:34,466 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 12:01:34,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 12:01:34,466 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 12:01:34,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 12:01:34,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 12:01:34,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 12:01:34,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 12:01:34,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:01:34,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 12:01:34,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 12:01:34,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 12:01:34,468 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 12:01:34,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 12:01:34,468 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 12:01:34,468 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 12:01:34,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 12:01:34,468 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 12:01:34,468 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ff1c77639f13c737226369dae83b9f0e852161422e44db320e5cd4110ee0e9d [2021-12-21 12:01:34,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 12:01:34,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 12:01:34,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 12:01:34,671 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 12:01:34,672 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 12:01:34,673 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0686a.c [2021-12-21 12:01:34,744 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2411d604b/f36e44a987ca46ef9956a2316c3e306b/FLAG70a632550 [2021-12-21 12:01:35,081 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 12:01:35,083 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0686a.c [2021-12-21 12:01:35,092 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2411d604b/f36e44a987ca46ef9956a2316c3e306b/FLAG70a632550 [2021-12-21 12:01:35,477 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2411d604b/f36e44a987ca46ef9956a2316c3e306b [2021-12-21 12:01:35,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 12:01:35,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 12:01:35,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 12:01:35,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 12:01:35,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 12:01:35,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:01:35" (1/1) ... [2021-12-21 12:01:35,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d85f72f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:35, skipping insertion in model container [2021-12-21 12:01:35,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:01:35" (1/1) ... [2021-12-21 12:01:35,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 12:01:35,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 12:01:35,806 WARN L230 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/float_req_bl_0686a.c[5265,5278] [2021-12-21 12:01:35,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:01:35,823 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 12:01:35,869 WARN L230 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/float_req_bl_0686a.c[5265,5278] [2021-12-21 12:01:35,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:01:35,884 INFO L208 MainTranslator]: Completed translation [2021-12-21 12:01:35,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:35 WrapperNode [2021-12-21 12:01:35,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 12:01:35,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 12:01:35,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 12:01:35,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 12:01:35,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:35" (1/1) ... [2021-12-21 12:01:35,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:35" (1/1) ... [2021-12-21 12:01:35,941 INFO L137 Inliner]: procedures = 19, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 216 [2021-12-21 12:01:35,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 12:01:35,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 12:01:35,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 12:01:35,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 12:01:35,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:35" (1/1) ... [2021-12-21 12:01:35,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:35" (1/1) ... [2021-12-21 12:01:35,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:35" (1/1) ... [2021-12-21 12:01:35,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:35" (1/1) ... [2021-12-21 12:01:35,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:35" (1/1) ... [2021-12-21 12:01:35,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:35" (1/1) ... [2021-12-21 12:01:35,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:35" (1/1) ... [2021-12-21 12:01:35,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 12:01:35,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 12:01:35,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 12:01:35,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 12:01:35,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:35" (1/1) ... [2021-12-21 12:01:36,000 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:01:36,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 12:01:36,018 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) [2021-12-21 12:01:36,036 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 [2021-12-21 12:01:36,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 12:01:36,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 12:01:36,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 12:01:36,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-21 12:01:36,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 12:01:36,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-21 12:01:36,048 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2021-12-21 12:01:36,048 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2021-12-21 12:01:36,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 12:01:36,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 12:01:36,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 12:01:36,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-12-21 12:01:36,049 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2021-12-21 12:01:36,049 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2021-12-21 12:01:36,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 12:01:36,113 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 12:01:36,115 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 12:01:36,403 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 12:01:36,409 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 12:01:36,410 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-12-21 12:01:36,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:01:36 BoogieIcfgContainer [2021-12-21 12:01:36,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 12:01:36,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 12:01:36,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 12:01:36,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 12:01:36,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 12:01:35" (1/3) ... [2021-12-21 12:01:36,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3820e60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:01:36, skipping insertion in model container [2021-12-21 12:01:36,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:35" (2/3) ... [2021-12-21 12:01:36,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3820e60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:01:36, skipping insertion in model container [2021-12-21 12:01:36,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:01:36" (3/3) ... [2021-12-21 12:01:36,419 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0686a.c [2021-12-21 12:01:36,423 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 12:01:36,423 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 12:01:36,473 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 12:01:36,483 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, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-12-21 12:01:36,484 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 12:01:36,514 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 82 states have (on average 1.6585365853658536) internal successors, (136), 83 states have internal predecessors, (136), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-21 12:01:36,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-21 12:01:36,518 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:01:36,518 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:01:36,519 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:01:36,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:01:36,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1138107774, now seen corresponding path program 1 times [2021-12-21 12:01:36,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:01:36,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933835454] [2021-12-21 12:01:36,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:01:36,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:01:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:01:36,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:01:36,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 12:01:36,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933835454] [2021-12-21 12:01:36,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933835454] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:01:36,691 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:01:36,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 12:01:36,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519318873] [2021-12-21 12:01:36,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:01:36,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 12:01:36,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 12:01:36,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 12:01:36,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 12:01:36,722 INFO L87 Difference]: Start difference. First operand has 90 states, 82 states have (on average 1.6585365853658536) internal successors, (136), 83 states have internal predecessors, (136), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-12-21 12:01:36,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:01:36,751 INFO L93 Difference]: Finished difference Result 178 states and 290 transitions. [2021-12-21 12:01:36,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 12:01:36,753 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2021-12-21 12:01:36,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:01:36,762 INFO L225 Difference]: With dead ends: 178 [2021-12-21 12:01:36,763 INFO L226 Difference]: Without dead ends: 87 [2021-12-21 12:01:36,768 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 12:01:36,772 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 12:01:36,774 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 12:01:36,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-12-21 12:01:36,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2021-12-21 12:01:36,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 80 states have (on average 1.475) internal successors, (118), 80 states have internal predecessors, (118), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-21 12:01:36,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 126 transitions. [2021-12-21 12:01:36,820 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 126 transitions. Word has length 10 [2021-12-21 12:01:36,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:01:36,821 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 126 transitions. [2021-12-21 12:01:36,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-12-21 12:01:36,821 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 126 transitions. [2021-12-21 12:01:36,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-21 12:01:36,822 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:01:36,823 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:01:36,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 12:01:36,824 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:01:36,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:01:36,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1466192473, now seen corresponding path program 1 times [2021-12-21 12:01:36,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:01:36,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533638984] [2021-12-21 12:01:36,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:01:36,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:01:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 12:01:36,894 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 12:01:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 12:01:36,976 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 12:01:36,977 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-21 12:01:36,978 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 12:01:36,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 12:01:36,983 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-21 12:01:36,986 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 12:01:37,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 12:01:37 BoogieIcfgContainer [2021-12-21 12:01:37,015 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 12:01:37,016 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 12:01:37,016 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 12:01:37,016 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 12:01:37,017 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:01:36" (3/4) ... [2021-12-21 12:01:37,019 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-21 12:01:37,019 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 12:01:37,020 INFO L158 Benchmark]: Toolchain (without parser) took 1536.88ms. Allocated memory is still 136.3MB. Free memory was 100.0MB in the beginning and 47.4MB in the end (delta: 52.6MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2021-12-21 12:01:37,020 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 136.3MB. Free memory was 107.4MB in the beginning and 107.4MB in the end (delta: 30.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 12:01:37,020 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.81ms. Allocated memory is still 136.3MB. Free memory was 100.0MB in the beginning and 106.1MB in the end (delta: -6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 12:01:37,021 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.28ms. Allocated memory is still 136.3MB. Free memory was 106.1MB in the beginning and 104.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 12:01:37,021 INFO L158 Benchmark]: Boogie Preprocessor took 51.19ms. Allocated memory is still 136.3MB. Free memory was 103.4MB in the beginning and 101.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 12:01:37,021 INFO L158 Benchmark]: RCFGBuilder took 417.97ms. Allocated memory is still 136.3MB. Free memory was 101.3MB in the beginning and 80.9MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-21 12:01:37,022 INFO L158 Benchmark]: TraceAbstraction took 602.26ms. Allocated memory is still 136.3MB. Free memory was 80.3MB in the beginning and 48.1MB in the end (delta: 32.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-12-21 12:01:37,022 INFO L158 Benchmark]: Witness Printer took 3.10ms. Allocated memory is still 136.3MB. Free memory was 48.1MB in the beginning and 47.4MB in the end (delta: 744.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 12:01:37,024 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 136.3MB. Free memory was 107.4MB in the beginning and 107.4MB in the end (delta: 30.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.81ms. Allocated memory is still 136.3MB. Free memory was 100.0MB in the beginning and 106.1MB in the end (delta: -6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.28ms. Allocated memory is still 136.3MB. Free memory was 106.1MB in the beginning and 104.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.19ms. Allocated memory is still 136.3MB. Free memory was 103.4MB in the beginning and 101.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 417.97ms. Allocated memory is still 136.3MB. Free memory was 101.3MB in the beginning and 80.9MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 602.26ms. Allocated memory is still 136.3MB. Free memory was 80.3MB in the beginning and 48.1MB in the end (delta: 32.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 3.10ms. Allocated memory is still 136.3MB. Free memory was 48.1MB in the beginning and 47.4MB in the end (delta: 744.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 230]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 229, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L223] float x = 1.0f / 0.0f; [L224] float y = 1.0f / 0.0f; [L226] CALL, EXPR __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=1000000000000000000000000000003, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000003, y=1000000000000000000000000000001, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000003, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000003, y=1000000000000000000000000000001, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [\old(x)=1000000000000000000000000000003, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-1, hy=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000003, y=1000000000000000000000000000001, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [\old(x)=1000000000000000000000000000003, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-1, hy=0, ix=2139095041, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000003, y=1000000000000000000000000000001, zero_atan2=0] [L226] RET, EXPR __ieee754_atan2f(y, x) [L226] float res = __ieee754_atan2f(y, x); [L229] COND TRUE res != pi_o_4 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000002, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000003, y=1000000000000000000000000000001, zero_atan2=0] [L230] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000002, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000003, y=1000000000000000000000000000001, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 90 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 129 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 129 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 [2021-12-21 12:01:37,066 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/float_req_bl_0686a.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 7ff1c77639f13c737226369dae83b9f0e852161422e44db320e5cd4110ee0e9d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 12:01:39,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 12:01:39,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 12:01:39,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 12:01:39,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 12:01:39,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 12:01:39,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 12:01:39,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 12:01:39,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 12:01:39,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 12:01:39,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 12:01:39,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 12:01:39,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 12:01:39,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 12:01:39,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 12:01:39,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 12:01:39,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 12:01:39,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 12:01:39,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 12:01:39,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 12:01:39,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 12:01:39,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 12:01:39,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 12:01:39,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 12:01:39,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 12:01:39,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 12:01:39,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 12:01:39,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 12:01:39,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 12:01:39,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 12:01:39,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 12:01:39,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 12:01:39,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 12:01:39,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 12:01:39,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 12:01:39,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 12:01:39,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 12:01:39,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 12:01:39,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 12:01:39,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 12:01:39,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 12:01:39,939 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-21 12:01:39,972 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 12:01:39,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 12:01:39,974 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 12:01:39,974 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 12:01:39,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 12:01:39,975 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 12:01:39,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 12:01:39,976 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 12:01:39,976 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 12:01:39,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 12:01:39,977 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 12:01:39,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 12:01:39,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 12:01:39,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 12:01:39,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 12:01:39,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 12:01:39,979 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 12:01:39,979 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-21 12:01:39,979 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-21 12:01:39,979 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 12:01:39,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 12:01:39,979 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 12:01:39,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 12:01:39,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 12:01:39,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 12:01:39,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 12:01:39,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:01:39,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 12:01:39,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 12:01:39,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 12:01:39,987 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-21 12:01:39,987 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-21 12:01:39,987 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 12:01:39,987 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 12:01:39,988 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 12:01:39,988 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 12:01:39,988 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-21 12:01:39,988 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ff1c77639f13c737226369dae83b9f0e852161422e44db320e5cd4110ee0e9d [2021-12-21 12:01:40,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 12:01:40,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 12:01:40,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 12:01:40,386 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 12:01:40,386 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 12:01:40,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0686a.c [2021-12-21 12:01:40,446 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a2edc5b8/0b736e281a5b4337a1ffc9b55f6cb6bb/FLAGed7775d47 [2021-12-21 12:01:40,842 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 12:01:40,842 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0686a.c [2021-12-21 12:01:40,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a2edc5b8/0b736e281a5b4337a1ffc9b55f6cb6bb/FLAGed7775d47 [2021-12-21 12:01:41,254 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a2edc5b8/0b736e281a5b4337a1ffc9b55f6cb6bb [2021-12-21 12:01:41,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 12:01:41,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 12:01:41,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 12:01:41,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 12:01:41,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 12:01:41,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:01:41" (1/1) ... [2021-12-21 12:01:41,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77732c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:41, skipping insertion in model container [2021-12-21 12:01:41,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:01:41" (1/1) ... [2021-12-21 12:01:41,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 12:01:41,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 12:01:41,519 WARN L230 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/float_req_bl_0686a.c[5265,5278] [2021-12-21 12:01:41,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:01:41,543 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 12:01:41,587 WARN L230 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/float_req_bl_0686a.c[5265,5278] [2021-12-21 12:01:41,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:01:41,603 INFO L208 MainTranslator]: Completed translation [2021-12-21 12:01:41,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:41 WrapperNode [2021-12-21 12:01:41,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 12:01:41,605 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 12:01:41,605 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 12:01:41,605 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 12:01:41,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:41" (1/1) ... [2021-12-21 12:01:41,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:41" (1/1) ... [2021-12-21 12:01:41,665 INFO L137 Inliner]: procedures = 22, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 217 [2021-12-21 12:01:41,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 12:01:41,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 12:01:41,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 12:01:41,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 12:01:41,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:41" (1/1) ... [2021-12-21 12:01:41,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:41" (1/1) ... [2021-12-21 12:01:41,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:41" (1/1) ... [2021-12-21 12:01:41,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:41" (1/1) ... [2021-12-21 12:01:41,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:41" (1/1) ... [2021-12-21 12:01:41,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:41" (1/1) ... [2021-12-21 12:01:41,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:41" (1/1) ... [2021-12-21 12:01:41,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 12:01:41,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 12:01:41,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 12:01:41,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 12:01:41,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:41" (1/1) ... [2021-12-21 12:01:41,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:01:41,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 12:01:41,753 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) [2021-12-21 12:01:41,782 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 [2021-12-21 12:01:41,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 12:01:41,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-12-21 12:01:41,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-21 12:01:41,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 12:01:41,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-12-21 12:01:41,809 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2021-12-21 12:01:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2021-12-21 12:01:41,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-21 12:01:41,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 12:01:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 12:01:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-12-21 12:01:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2021-12-21 12:01:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2021-12-21 12:01:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-21 12:01:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 12:01:41,932 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 12:01:41,933 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 12:01:54,307 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 12:01:54,322 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 12:01:54,322 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-12-21 12:01:54,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:01:54 BoogieIcfgContainer [2021-12-21 12:01:54,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 12:01:54,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 12:01:54,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 12:01:54,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 12:01:54,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 12:01:41" (1/3) ... [2021-12-21 12:01:54,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e59382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:01:54, skipping insertion in model container [2021-12-21 12:01:54,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:41" (2/3) ... [2021-12-21 12:01:54,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e59382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:01:54, skipping insertion in model container [2021-12-21 12:01:54,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:01:54" (3/3) ... [2021-12-21 12:01:54,339 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0686a.c [2021-12-21 12:01:54,365 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 12:01:54,365 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 12:01:54,480 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 12:01:54,488 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, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-12-21 12:01:54,488 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 12:01:54,520 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 82 states have (on average 1.6585365853658536) internal successors, (136), 83 states have internal predecessors, (136), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-21 12:01:54,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-21 12:01:54,539 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:01:54,540 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:01:54,541 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:01:54,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:01:54,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1138107774, now seen corresponding path program 1 times [2021-12-21 12:01:54,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 12:01:54,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [916151991] [2021-12-21 12:01:54,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:01:54,581 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 12:01:54,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 12:01:54,599 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) [2021-12-21 12:01:54,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-21 12:01:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:01:55,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-21 12:01:55,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:01:55,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:01:55,631 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 12:01:55,631 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 12:01:55,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [916151991] [2021-12-21 12:01:55,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [916151991] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:01:55,632 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:01:55,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 12:01:55,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932013941] [2021-12-21 12:01:55,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:01:55,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 12:01:55,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 12:01:55,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 12:01:55,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 12:01:55,690 INFO L87 Difference]: Start difference. First operand has 90 states, 82 states have (on average 1.6585365853658536) internal successors, (136), 83 states have internal predecessors, (136), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-12-21 12:01:55,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:01:55,718 INFO L93 Difference]: Finished difference Result 178 states and 290 transitions. [2021-12-21 12:01:55,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 12:01:55,720 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2021-12-21 12:01:55,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:01:55,726 INFO L225 Difference]: With dead ends: 178 [2021-12-21 12:01:55,726 INFO L226 Difference]: Without dead ends: 87 [2021-12-21 12:01:55,729 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 12:01:55,731 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 12:01:55,732 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 12:01:55,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-12-21 12:01:55,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2021-12-21 12:01:55,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 80 states have (on average 1.475) internal successors, (118), 80 states have internal predecessors, (118), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-21 12:01:55,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 126 transitions. [2021-12-21 12:01:55,763 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 126 transitions. Word has length 10 [2021-12-21 12:01:55,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:01:55,763 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 126 transitions. [2021-12-21 12:01:55,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-12-21 12:01:55,764 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 126 transitions. [2021-12-21 12:01:55,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-21 12:01:55,764 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:01:55,764 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:01:55,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-21 12:01:55,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 12:01:55,988 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:01:55,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:01:55,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1466192473, now seen corresponding path program 1 times [2021-12-21 12:01:55,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 12:01:55,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1730983909] [2021-12-21 12:01:55,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:01:55,997 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 12:01:55,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 12:01:56,012 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) [2021-12-21 12:01:56,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-21 12:01:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:01:56,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2021-12-21 12:01:56,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:01:57,176 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-21 12:01:57,834 INFO L387 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 20 [2021-12-21 12:01:58,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:01:58,726 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 12:01:58,726 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 12:01:58,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1730983909] [2021-12-21 12:01:58,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1730983909] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:01:58,727 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:01:58,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 12:01:58,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116095370] [2021-12-21 12:01:58,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:01:58,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 12:01:58,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 12:01:58,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 12:01:58,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 12:01:58,729 INFO L87 Difference]: Start difference. First operand 87 states and 126 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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) [2021-12-21 12:01:58,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:01:58,762 INFO L93 Difference]: Finished difference Result 91 states and 129 transitions. [2021-12-21 12:01:58,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 12:01:58,765 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-12-21 12:01:58,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:01:58,767 INFO L225 Difference]: With dead ends: 91 [2021-12-21 12:01:58,768 INFO L226 Difference]: Without dead ends: 87 [2021-12-21 12:01:58,769 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 12:01:58,770 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 61 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 12:01:58,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 661 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 61 Unchecked, 0.0s Time] [2021-12-21 12:01:58,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-12-21 12:01:58,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2021-12-21 12:01:58,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 80 states have (on average 1.4625) internal successors, (117), 80 states have internal predecessors, (117), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-21 12:01:58,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 125 transitions. [2021-12-21 12:01:58,790 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 125 transitions. Word has length 12 [2021-12-21 12:01:58,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:01:58,790 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 125 transitions. [2021-12-21 12:01:58,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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) [2021-12-21 12:01:58,791 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 125 transitions. [2021-12-21 12:01:58,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-21 12:01:58,794 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:01:58,794 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:01:58,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-21 12:01:59,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 12:01:59,021 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:01:59,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:01:59,021 INFO L85 PathProgramCache]: Analyzing trace with hash -369945613, now seen corresponding path program 1 times [2021-12-21 12:01:59,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 12:01:59,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [749211488] [2021-12-21 12:01:59,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:01:59,027 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 12:01:59,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 12:01:59,032 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) [2021-12-21 12:01:59,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-21 12:01:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:01:59,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-21 12:01:59,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:02:00,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:02:00,577 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 12:02:00,577 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 12:02:00,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [749211488] [2021-12-21 12:02:00,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [749211488] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:02:00,577 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:02:00,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 12:02:00,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120173255] [2021-12-21 12:02:00,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:02:00,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 12:02:00,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 12:02:00,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 12:02:00,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 12:02:00,578 INFO L87 Difference]: Start difference. First operand 87 states and 125 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 12:02:00,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:02:00,586 INFO L93 Difference]: Finished difference Result 159 states and 227 transitions. [2021-12-21 12:02:00,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 12:02:00,587 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-12-21 12:02:00,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:02:00,588 INFO L225 Difference]: With dead ends: 159 [2021-12-21 12:02:00,588 INFO L226 Difference]: Without dead ends: 85 [2021-12-21 12:02:00,588 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 12:02:00,597 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 5 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 15 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 12:02:00,597 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 429 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 15 Unchecked, 0.0s Time] [2021-12-21 12:02:00,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-12-21 12:02:00,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 81. [2021-12-21 12:02:00,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 74 states have (on average 1.4324324324324325) internal successors, (106), 74 states have internal predecessors, (106), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-21 12:02:00,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 114 transitions. [2021-12-21 12:02:00,616 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 114 transitions. Word has length 17 [2021-12-21 12:02:00,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:02:00,616 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 114 transitions. [2021-12-21 12:02:00,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 12:02:00,616 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 114 transitions. [2021-12-21 12:02:00,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-21 12:02:00,617 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:02:00,617 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:02:00,647 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-21 12:02:00,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 12:02:00,823 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:02:00,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:02:00,825 INFO L85 PathProgramCache]: Analyzing trace with hash 2028116593, now seen corresponding path program 1 times [2021-12-21 12:02:00,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 12:02:00,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [912568604] [2021-12-21 12:02:00,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:02:00,826 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 12:02:00,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 12:02:00,827 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) [2021-12-21 12:02:00,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-21 12:02:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:02:01,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-21 12:02:01,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:02:02,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:02:02,449 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 12:02:02,449 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 12:02:02,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [912568604] [2021-12-21 12:02:02,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [912568604] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:02:02,449 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:02:02,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 12:02:02,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957950182] [2021-12-21 12:02:02,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:02:02,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 12:02:02,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 12:02:02,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 12:02:02,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 12:02:02,450 INFO L87 Difference]: Start difference. First operand 81 states and 114 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 12:02:02,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:02:02,456 INFO L93 Difference]: Finished difference Result 89 states and 120 transitions. [2021-12-21 12:02:02,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 12:02:02,456 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-12-21 12:02:02,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:02:02,457 INFO L225 Difference]: With dead ends: 89 [2021-12-21 12:02:02,457 INFO L226 Difference]: Without dead ends: 83 [2021-12-21 12:02:02,457 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 12:02:02,458 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 5 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 13 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 12:02:02,458 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 414 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 13 Unchecked, 0.0s Time] [2021-12-21 12:02:02,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-12-21 12:02:02,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2021-12-21 12:02:02,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 72 states have (on average 1.4166666666666667) internal successors, (102), 72 states have internal predecessors, (102), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-21 12:02:02,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 110 transitions. [2021-12-21 12:02:02,464 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 110 transitions. Word has length 17 [2021-12-21 12:02:02,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:02:02,465 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 110 transitions. [2021-12-21 12:02:02,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 12:02:02,465 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions. [2021-12-21 12:02:02,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-21 12:02:02,466 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:02:02,466 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:02:02,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-21 12:02:02,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 12:02:02,682 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:02:02,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:02:02,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1893883166, now seen corresponding path program 1 times [2021-12-21 12:02:02,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 12:02:02,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1232900583] [2021-12-21 12:02:02,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:02:02,683 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 12:02:02,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 12:02:02,687 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) [2021-12-21 12:02:02,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-21 12:02:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:02:03,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-21 12:02:03,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:02:05,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:02:05,080 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 12:02:05,080 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 12:02:05,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1232900583] [2021-12-21 12:02:05,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1232900583] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:02:05,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:02:05,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 12:02:05,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276130066] [2021-12-21 12:02:05,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:02:05,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 12:02:05,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 12:02:05,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 12:02:05,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 12:02:05,081 INFO L87 Difference]: Start difference. First operand 79 states and 110 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2021-12-21 12:02:09,089 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-21 12:02:13,299 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 12:02:15,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-21 12:02:17,643 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 12:02:21,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-21 12:02:22,615 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-21 12:02:24,788 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-21 12:02:26,945 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-21 12:02:29,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-21 12:02:29,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:02:29,240 INFO L93 Difference]: Finished difference Result 86 states and 117 transitions. [2021-12-21 12:02:29,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 12:02:29,241 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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 18 [2021-12-21 12:02:29,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:02:29,242 INFO L225 Difference]: With dead ends: 86 [2021-12-21 12:02:29,242 INFO L226 Difference]: Without dead ends: 82 [2021-12-21 12:02:29,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-21 12:02:29,243 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 90 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2021-12-21 12:02:29,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 235 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 6 Unknown, 0 Unchecked, 22.9s Time] [2021-12-21 12:02:29,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-12-21 12:02:29,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2021-12-21 12:02:29,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 72 states have (on average 1.4027777777777777) internal successors, (101), 72 states have internal predecessors, (101), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-21 12:02:29,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 109 transitions. [2021-12-21 12:02:29,250 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 109 transitions. Word has length 18 [2021-12-21 12:02:29,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:02:29,250 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 109 transitions. [2021-12-21 12:02:29,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2021-12-21 12:02:29,250 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 109 transitions. [2021-12-21 12:02:29,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-21 12:02:29,251 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:02:29,251 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:02:29,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-12-21 12:02:29,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 12:02:29,452 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:02:29,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:02:29,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1871003678, now seen corresponding path program 1 times [2021-12-21 12:02:29,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 12:02:29,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [223580972] [2021-12-21 12:02:29,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:02:29,453 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 12:02:29,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 12:02:29,454 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) [2021-12-21 12:02:29,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-21 12:02:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:02:30,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-21 12:02:30,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:02:31,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:02:31,012 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 12:02:31,012 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 12:02:31,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [223580972] [2021-12-21 12:02:31,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [223580972] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:02:31,013 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:02:31,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 12:02:31,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249775246] [2021-12-21 12:02:31,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:02:31,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 12:02:31,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 12:02:31,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 12:02:31,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 12:02:31,014 INFO L87 Difference]: Start difference. First operand 79 states and 109 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2021-12-21 12:02:31,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:02:31,024 INFO L93 Difference]: Finished difference Result 137 states and 186 transitions. [2021-12-21 12:02:31,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 12:02:31,024 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 18 [2021-12-21 12:02:31,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:02:31,025 INFO L225 Difference]: With dead ends: 137 [2021-12-21 12:02:31,025 INFO L226 Difference]: Without dead ends: 79 [2021-12-21 12:02:31,025 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 12:02:31,026 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 6 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 12:02:31,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 360 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 12 Unchecked, 0.0s Time] [2021-12-21 12:02:31,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-12-21 12:02:31,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 74. [2021-12-21 12:02:31,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 67 states have (on average 1.3582089552238805) internal successors, (91), 67 states have internal predecessors, (91), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-21 12:02:31,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 99 transitions. [2021-12-21 12:02:31,044 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 99 transitions. Word has length 18 [2021-12-21 12:02:31,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:02:31,044 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 99 transitions. [2021-12-21 12:02:31,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2021-12-21 12:02:31,045 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 99 transitions. [2021-12-21 12:02:31,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-21 12:02:31,045 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:02:31,045 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:02:31,079 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-12-21 12:02:31,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 12:02:31,246 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:02:31,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:02:31,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1889067684, now seen corresponding path program 1 times [2021-12-21 12:02:31,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 12:02:31,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1224426] [2021-12-21 12:02:31,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:02:31,247 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 12:02:31,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 12:02:31,249 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-21 12:02:31,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-21 12:02:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:02:32,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-21 12:02:32,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:02:32,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:02:32,765 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 12:02:32,765 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 12:02:32,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1224426] [2021-12-21 12:02:32,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1224426] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:02:32,765 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:02:32,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 12:02:32,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354798619] [2021-12-21 12:02:32,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:02:32,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 12:02:32,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 12:02:32,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 12:02:32,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 12:02:32,766 INFO L87 Difference]: Start difference. First operand 74 states and 99 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2021-12-21 12:02:32,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:02:32,770 INFO L93 Difference]: Finished difference Result 131 states and 174 transitions. [2021-12-21 12:02:32,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 12:02:32,770 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 19 [2021-12-21 12:02:32,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:02:32,770 INFO L225 Difference]: With dead ends: 131 [2021-12-21 12:02:32,771 INFO L226 Difference]: Without dead ends: 78 [2021-12-21 12:02:32,771 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 12:02:32,773 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 5 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 12:02:32,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 364 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 12 Unchecked, 0.0s Time] [2021-12-21 12:02:32,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-12-21 12:02:32,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 74. [2021-12-21 12:02:32,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 67 states have (on average 1.3432835820895523) internal successors, (90), 67 states have internal predecessors, (90), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-21 12:02:32,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 98 transitions. [2021-12-21 12:02:32,783 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 98 transitions. Word has length 19 [2021-12-21 12:02:32,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:02:32,783 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 98 transitions. [2021-12-21 12:02:32,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2021-12-21 12:02:32,783 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 98 transitions. [2021-12-21 12:02:32,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-21 12:02:32,784 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:02:32,784 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:02:32,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-12-21 12:02:33,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 12:02:33,012 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:02:33,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:02:33,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1417522822, now seen corresponding path program 1 times [2021-12-21 12:02:33,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 12:02:33,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1459877221] [2021-12-21 12:02:33,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:02:33,013 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 12:02:33,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 12:02:33,014 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-21 12:02:33,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-21 12:02:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:02:33,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 19 conjunts are in the unsatisfiable core [2021-12-21 12:02:33,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:02:33,946 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-21 12:02:34,408 INFO L387 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 34 treesize of output 18 [2021-12-21 12:02:35,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:02:35,800 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 12:02:35,800 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 12:02:35,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1459877221] [2021-12-21 12:02:35,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1459877221] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:02:35,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:02:35,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 12:02:35,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178740128] [2021-12-21 12:02:35,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:02:35,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 12:02:35,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 12:02:35,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 12:02:35,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 12:02:35,801 INFO L87 Difference]: Start difference. First operand 74 states and 98 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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) [2021-12-21 12:02:35,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:02:35,805 INFO L93 Difference]: Finished difference Result 108 states and 141 transitions. [2021-12-21 12:02:35,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 12:02:35,805 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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 19 [2021-12-21 12:02:35,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:02:35,805 INFO L225 Difference]: With dead ends: 108 [2021-12-21 12:02:35,805 INFO L226 Difference]: Without dead ends: 46 [2021-12-21 12:02:35,806 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 12:02:35,806 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 19 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 12:02:35,806 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 305 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 19 Unchecked, 0.0s Time] [2021-12-21 12:02:35,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-12-21 12:02:35,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-12-21 12:02:35,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 41 states have internal predecessors, (52), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-21 12:02:35,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2021-12-21 12:02:35,809 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 56 transitions. Word has length 19 [2021-12-21 12:02:35,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:02:35,809 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 56 transitions. [2021-12-21 12:02:35,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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) [2021-12-21 12:02:35,810 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2021-12-21 12:02:35,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-21 12:02:35,810 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:02:35,810 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:02:35,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-12-21 12:02:36,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 12:02:36,027 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:02:36,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:02:36,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1381153585, now seen corresponding path program 1 times [2021-12-21 12:02:36,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 12:02:36,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1096729958] [2021-12-21 12:02:36,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:02:36,028 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 12:02:36,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 12:02:36,044 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-21 12:02:36,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-21 12:02:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:02:36,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-21 12:02:36,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:02:37,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:02:37,224 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 12:02:37,225 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 12:02:37,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1096729958] [2021-12-21 12:02:37,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1096729958] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:02:37,225 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:02:37,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 12:02:37,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868431792] [2021-12-21 12:02:37,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:02:37,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 12:02:37,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 12:02:37,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 12:02:37,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 12:02:37,226 INFO L87 Difference]: Start difference. First operand 46 states and 56 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 12:02:37,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:02:37,227 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2021-12-21 12:02:37,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 12:02:37,227 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2021-12-21 12:02:37,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:02:37,227 INFO L225 Difference]: With dead ends: 46 [2021-12-21 12:02:37,227 INFO L226 Difference]: Without dead ends: 0 [2021-12-21 12:02:37,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 12:02:37,228 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 12:02:37,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 3 Unchecked, 0.0s Time] [2021-12-21 12:02:37,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-21 12:02:37,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-21 12:02:37,228 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) [2021-12-21 12:02:37,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-21 12:02:37,228 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-12-21 12:02:37,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:02:37,229 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 12:02:37,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 12:02:37,229 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-21 12:02:37,229 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-21 12:02:37,230 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 12:02:37,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-12-21 12:02:37,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 12:02:37,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-21 12:02:38,076 INFO L858 garLoopResultBuilder]: For program point fabs_floatFINAL(lines 14 27) no Hoare annotation was computed. [2021-12-21 12:02:38,076 INFO L858 garLoopResultBuilder]: For program point fabs_floatEXIT(lines 14 27) no Hoare annotation was computed. [2021-12-21 12:02:38,077 INFO L861 garLoopResultBuilder]: At program point fabs_floatENTRY(lines 14 27) the Hoare annotation is: true [2021-12-21 12:02:38,077 INFO L858 garLoopResultBuilder]: For program point L21(lines 21 25) no Hoare annotation was computed. [2021-12-21 12:02:38,077 INFO L858 garLoopResultBuilder]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2021-12-21 12:02:38,077 INFO L858 garLoopResultBuilder]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2021-12-21 12:02:38,077 INFO L858 garLoopResultBuilder]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2021-12-21 12:02:38,077 INFO L861 garLoopResultBuilder]: At program point L16-2(lines 16 20) the Hoare annotation is: true [2021-12-21 12:02:38,077 INFO L854 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: false [2021-12-21 12:02:38,077 INFO L858 garLoopResultBuilder]: For program point L159(lines 159 168) no Hoare annotation was computed. [2021-12-21 12:02:38,078 INFO L854 garLoopResultBuilder]: At program point L192-1(line 192) the Hoare annotation is: false [2021-12-21 12:02:38,078 INFO L858 garLoopResultBuilder]: For program point L192-2(line 192) no Hoare annotation was computed. [2021-12-21 12:02:38,078 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-12-21 12:02:38,078 INFO L858 garLoopResultBuilder]: For program point L184-2(line 184) no Hoare annotation was computed. [2021-12-21 12:02:38,078 INFO L858 garLoopResultBuilder]: For program point L143(lines 143 151) no Hoare annotation was computed. [2021-12-21 12:02:38,078 INFO L861 garLoopResultBuilder]: At program point L234(lines 217 235) the Hoare annotation is: true [2021-12-21 12:02:38,078 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 214) no Hoare annotation was computed. [2021-12-21 12:02:38,078 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-12-21 12:02:38,078 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-21 12:02:38,079 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-21 12:02:38,079 INFO L858 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2021-12-21 12:02:38,079 INFO L858 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2021-12-21 12:02:38,079 INFO L858 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2021-12-21 12:02:38,079 INFO L858 garLoopResultBuilder]: For program point L144-2(line 144) no Hoare annotation was computed. [2021-12-21 12:02:38,079 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 137) no Hoare annotation was computed. [2021-12-21 12:02:38,079 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-12-21 12:02:38,079 INFO L854 garLoopResultBuilder]: At program point L120(lines 120 215) the Hoare annotation is: (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= (fp.add roundNearestTiesToEven ~pi_o_4~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) |ULTIMATE.start___ieee754_atan2f_#res#1|) (= ~pi_o_4~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 4000000000.0)))) (= currentRoundingMode roundNearestTiesToEven)) [2021-12-21 12:02:38,079 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-12-21 12:02:38,080 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2021-12-21 12:02:38,080 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 179) no Hoare annotation was computed. [2021-12-21 12:02:38,080 INFO L858 garLoopResultBuilder]: For program point L203-1(lines 196 208) no Hoare annotation was computed. [2021-12-21 12:02:38,080 INFO L858 garLoopResultBuilder]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2021-12-21 12:02:38,080 INFO L858 garLoopResultBuilder]: For program point L162(line 162) no Hoare annotation was computed. [2021-12-21 12:02:38,080 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 192) no Hoare annotation was computed. [2021-12-21 12:02:38,080 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-12-21 12:02:38,080 INFO L858 garLoopResultBuilder]: For program point L171(line 171) no Hoare annotation was computed. [2021-12-21 12:02:38,080 INFO L858 garLoopResultBuilder]: For program point L138(lines 138 139) no Hoare annotation was computed. [2021-12-21 12:02:38,080 INFO L858 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2021-12-21 12:02:38,081 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-12-21 12:02:38,081 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2021-12-21 12:02:38,081 INFO L854 garLoopResultBuilder]: At program point L130-2(lines 130 134) the Hoare annotation is: (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15|) (_ bv0 32))) (.cse1 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (and (= |ULTIMATE.start___ieee754_atan2f_~hx~1#1| .cse0) (= .cse1 (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= .cse1 |ULTIMATE.start___ieee754_atan2f_~y#1|)))) (= ~pi_o_4~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 4000000000.0)))) (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse2 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6|) (_ bv0 32))) (.cse3 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (and (= (bvand (_ bv2147483647 32) .cse2) |ULTIMATE.start___ieee754_atan2f_~ix~2#1|) (= .cse3 |ULTIMATE.start___ieee754_atan2f_~y#1|) (= (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)) .cse3)))) (= currentRoundingMode roundNearestTiesToEven)) [2021-12-21 12:02:38,081 INFO L858 garLoopResultBuilder]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2021-12-21 12:02:38,081 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-12-21 12:02:38,081 INFO L858 garLoopResultBuilder]: For program point L155-2(line 155) no Hoare annotation was computed. [2021-12-21 12:02:38,081 INFO L858 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2021-12-21 12:02:38,081 INFO L854 garLoopResultBuilder]: At program point L139(line 139) the Hoare annotation is: false [2021-12-21 12:02:38,082 INFO L858 garLoopResultBuilder]: For program point L139-1(line 139) no Hoare annotation was computed. [2021-12-21 12:02:38,082 INFO L858 garLoopResultBuilder]: For program point L230(line 230) no Hoare annotation was computed. [2021-12-21 12:02:38,082 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-12-21 12:02:38,082 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-21 12:02:38,082 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 192) no Hoare annotation was computed. [2021-12-21 12:02:38,082 INFO L858 garLoopResultBuilder]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2021-12-21 12:02:38,082 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 230) no Hoare annotation was computed. [2021-12-21 12:02:38,082 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-12-21 12:02:38,082 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2021-12-21 12:02:38,082 INFO L854 garLoopResultBuilder]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2021-12-21 12:02:38,083 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-21 12:02:38,083 INFO L858 garLoopResultBuilder]: For program point L157(lines 157 181) no Hoare annotation was computed. [2021-12-21 12:02:38,083 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2021-12-21 12:02:38,083 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2021-12-21 12:02:38,083 INFO L854 garLoopResultBuilder]: At program point L124-2(lines 124 128) the Hoare annotation is: (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= ~pi_o_4~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 4000000000.0)))) (exists ((currentRoundingMode RoundingMode)) (let ((.cse0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (and (= .cse0 |ULTIMATE.start___ieee754_atan2f_~x#1|) (= .cse0 |ULTIMATE.start___ieee754_atan2f_~y#1|)))) (= currentRoundingMode roundNearestTiesToEven)) [2021-12-21 12:02:38,083 INFO L858 garLoopResultBuilder]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2021-12-21 12:02:38,083 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-12-21 12:02:38,083 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-12-21 12:02:38,083 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 180) no Hoare annotation was computed. [2021-12-21 12:02:38,084 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-12-21 12:02:38,084 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 152) no Hoare annotation was computed. [2021-12-21 12:02:38,084 INFO L858 garLoopResultBuilder]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2021-12-21 12:02:38,084 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 65) no Hoare annotation was computed. [2021-12-21 12:02:38,084 INFO L861 garLoopResultBuilder]: At program point atan_floatENTRY(lines 53 115) the Hoare annotation is: true [2021-12-21 12:02:38,084 INFO L858 garLoopResultBuilder]: For program point atan_floatFINAL(lines 53 115) no Hoare annotation was computed. [2021-12-21 12:02:38,089 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 74) no Hoare annotation was computed. [2021-12-21 12:02:38,089 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2021-12-21 12:02:38,089 INFO L861 garLoopResultBuilder]: At program point L57-2(lines 57 61) the Hoare annotation is: true [2021-12-21 12:02:38,089 INFO L858 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2021-12-21 12:02:38,090 INFO L861 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: true [2021-12-21 12:02:38,090 INFO L858 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2021-12-21 12:02:38,090 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 69) no Hoare annotation was computed. [2021-12-21 12:02:38,090 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 95) no Hoare annotation was computed. [2021-12-21 12:02:38,090 INFO L858 garLoopResultBuilder]: For program point L71(lines 71 96) no Hoare annotation was computed. [2021-12-21 12:02:38,090 INFO L858 garLoopResultBuilder]: For program point atan_floatEXIT(lines 53 115) no Hoare annotation was computed. [2021-12-21 12:02:38,090 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 70) no Hoare annotation was computed. [2021-12-21 12:02:38,090 INFO L858 garLoopResultBuilder]: For program point L88(lines 88 94) no Hoare annotation was computed. [2021-12-21 12:02:38,090 INFO L858 garLoopResultBuilder]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2021-12-21 12:02:38,090 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-12-21 12:02:38,091 INFO L858 garLoopResultBuilder]: For program point L80(lines 80 86) no Hoare annotation was computed. [2021-12-21 12:02:38,092 INFO L858 garLoopResultBuilder]: For program point L113-2(line 113) no Hoare annotation was computed. [2021-12-21 12:02:38,092 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 114) no Hoare annotation was computed. [2021-12-21 12:02:38,092 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 75) no Hoare annotation was computed. [2021-12-21 12:02:38,093 INFO L858 garLoopResultBuilder]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2021-12-21 12:02:38,096 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:02:38,103 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 12:02:38,120 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,121 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,121 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,121 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,128 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-21 12:02:38,130 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,131 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,131 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,131 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,131 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-21 12:02:38,132 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-21 12:02:38,132 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-21 12:02:38,132 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-21 12:02:38,132 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-21 12:02:38,133 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-21 12:02:38,133 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-21 12:02:38,133 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-21 12:02:38,133 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-21 12:02:38,134 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15,QUANTIFIED] [2021-12-21 12:02:38,139 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,139 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,139 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15,QUANTIFIED] [2021-12-21 12:02:38,140 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15,QUANTIFIED] [2021-12-21 12:02:38,151 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15,QUANTIFIED] [2021-12-21 12:02:38,151 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,151 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,152 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:38,152 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,152 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,152 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:38,152 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:38,152 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:38,152 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,152 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,153 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-21 12:02:38,153 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15,QUANTIFIED] [2021-12-21 12:02:38,154 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,154 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,154 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15,QUANTIFIED] [2021-12-21 12:02:38,154 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15,QUANTIFIED] [2021-12-21 12:02:38,154 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15,QUANTIFIED] [2021-12-21 12:02:38,154 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,154 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,154 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:38,154 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,155 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,155 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:38,155 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:38,155 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:38,155 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,155 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,155 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-21 12:02:38,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 12:02:38 BoogieIcfgContainer [2021-12-21 12:02:38,156 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 12:02:38,157 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 12:02:38,157 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 12:02:38,157 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 12:02:38,157 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:01:54" (3/4) ... [2021-12-21 12:02:38,159 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 12:02:38,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2021-12-21 12:02:38,174 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2021-12-21 12:02:38,180 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-12-21 12:02:38,190 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-21 12:02:38,190 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-12-21 12:02:38,191 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 12:02:38,213 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && pi_o_4 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/4000000000))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-12-21 12:02:38,217 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15 : bv32, currentRoundingMode : FloatRoundingMode :: (hx == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15][0bv32] && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15][0bv32][22:0])) && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == y)) && pi_o_4 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/4000000000))) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6 : bv32, currentRoundingMode : FloatRoundingMode :: (~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32]) == ix && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == y) && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-12-21 12:02:38,217 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && ~fp.add~FLOAT(~roundNearestTiesToEven, pi_o_4, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && pi_o_4 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/4000000000))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-12-21 12:02:38,287 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 12:02:38,287 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 12:02:38,288 INFO L158 Benchmark]: Toolchain (without parser) took 57026.17ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 25.5MB in the beginning and 28.0MB in the end (delta: -2.4MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-12-21 12:02:38,290 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 48.2MB. Free memory is still 30.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 12:02:38,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.08ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 25.4MB in the beginning and 38.3MB in the end (delta: -12.8MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-12-21 12:02:38,304 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.90ms. Allocated memory is still 58.7MB. Free memory was 38.3MB in the beginning and 35.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 12:02:38,304 INFO L158 Benchmark]: Boogie Preprocessor took 42.54ms. Allocated memory is still 58.7MB. Free memory was 35.8MB in the beginning and 33.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 12:02:38,305 INFO L158 Benchmark]: RCFGBuilder took 12610.50ms. Allocated memory is still 58.7MB. Free memory was 33.1MB in the beginning and 36.4MB in the end (delta: -3.4MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2021-12-21 12:02:38,305 INFO L158 Benchmark]: TraceAbstraction took 43831.20ms. Allocated memory is still 58.7MB. Free memory was 35.9MB in the beginning and 35.7MB in the end (delta: 232.5kB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2021-12-21 12:02:38,305 INFO L158 Benchmark]: Witness Printer took 130.78ms. Allocated memory is still 58.7MB. Free memory was 35.7MB in the beginning and 28.0MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 12:02:38,308 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 48.2MB. Free memory is still 30.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.08ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 25.4MB in the beginning and 38.3MB in the end (delta: -12.8MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.90ms. Allocated memory is still 58.7MB. Free memory was 38.3MB in the beginning and 35.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.54ms. Allocated memory is still 58.7MB. Free memory was 35.8MB in the beginning and 33.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 12610.50ms. Allocated memory is still 58.7MB. Free memory was 33.1MB in the beginning and 36.4MB in the end (delta: -3.4MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * TraceAbstraction took 43831.20ms. Allocated memory is still 58.7MB. Free memory was 35.9MB in the beginning and 35.7MB in the end (delta: 232.5kB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Witness Printer took 130.78ms. Allocated memory is still 58.7MB. Free memory was 35.7MB in the beginning and 28.0MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 230]: 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 3 procedures, 90 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 43.6s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 24.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 117 SdHoareTripleChecker+Valid, 22.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 111 mSDsluCounter, 2911 SdHoareTripleChecker+Invalid, 22.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 135 IncrementalHoareTripleChecker+Unchecked, 2103 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88 IncrementalHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 808 mSDtfsCounter, 88 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 20 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 51 PreInvPairs, 55 NumberOfFragments, 180 HoareAnnotationTreeSize, 51 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 64 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 6.6s SatisfiabilityAnalysisTime, 9.2s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 144 ConstructedInterpolants, 70 QuantifiedInterpolants, 1937 SizeOfPredicates, 62 NumberOfNonLiveVariables, 1066 ConjunctsInSsa, 94 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 124]: Loop Invariant [2021-12-21 12:02:38,313 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,314 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-21 12:02:38,322 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,322 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,322 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,322 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,323 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && pi_o_4 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/4000000000))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 120]: Loop Invariant [2021-12-21 12:02:38,323 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-21 12:02:38,323 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-21 12:02:38,323 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-21 12:02:38,323 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-21 12:02:38,324 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-21 12:02:38,324 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-21 12:02:38,324 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-21 12:02:38,324 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && ~fp.add~FLOAT(~roundNearestTiesToEven, pi_o_4, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && pi_o_4 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/4000000000))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant [2021-12-21 12:02:38,325 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15,QUANTIFIED] [2021-12-21 12:02:38,327 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,327 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,328 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15,QUANTIFIED] [2021-12-21 12:02:38,328 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15,QUANTIFIED] [2021-12-21 12:02:38,328 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15,QUANTIFIED] [2021-12-21 12:02:38,328 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,328 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,328 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:38,328 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,328 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,328 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:38,328 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:38,328 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:38,328 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,328 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,328 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-21 12:02:38,329 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15,QUANTIFIED] [2021-12-21 12:02:38,329 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,329 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,329 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15,QUANTIFIED] [2021-12-21 12:02:38,329 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15,QUANTIFIED] [2021-12-21 12:02:38,329 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15,QUANTIFIED] [2021-12-21 12:02:38,329 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,329 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,329 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:38,329 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,330 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,330 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:38,330 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:38,330 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:38,330 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,330 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:38,330 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15 : bv32, currentRoundingMode : FloatRoundingMode :: (hx == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15][0bv32] && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_15][0bv32][22:0])) && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == y)) && pi_o_4 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/4000000000))) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6 : bv32, currentRoundingMode : FloatRoundingMode :: (~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32]) == ix && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == y) && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! [2021-12-21 12:02:38,479 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE