./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0684b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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_0684b.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 27ce6cfdcb9dfa0489011437b04a08db6e71d8edccf3dd91706f7dddce0310b4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 01:52:56,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 01:52:56,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 01:52:56,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 01:52:56,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 01:52:56,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 01:52:56,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 01:52:56,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 01:52:56,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 01:52:56,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 01:52:56,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 01:52:56,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 01:52:56,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 01:52:56,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 01:52:56,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 01:52:56,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 01:52:56,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 01:52:56,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 01:52:56,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 01:52:56,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 01:52:56,226 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 01:52:56,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 01:52:56,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 01:52:56,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 01:52:56,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 01:52:56,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 01:52:56,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 01:52:56,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 01:52:56,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 01:52:56,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 01:52:56,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 01:52:56,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 01:52:56,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 01:52:56,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 01:52:56,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 01:52:56,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 01:52:56,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 01:52:56,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 01:52:56,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 01:52:56,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 01:52:56,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 01:52:56,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 01:52:56,239 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 01:52:56,253 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 01:52:56,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 01:52:56,253 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 01:52:56,254 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 01:52:56,254 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 01:52:56,254 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 01:52:56,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 01:52:56,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 01:52:56,255 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 01:52:56,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 01:52:56,256 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 01:52:56,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 01:52:56,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 01:52:56,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 01:52:56,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 01:52:56,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 01:52:56,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 01:52:56,263 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 01:52:56,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 01:52:56,263 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 01:52:56,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 01:52:56,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 01:52:56,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 01:52:56,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 01:52:56,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:52:56,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 01:52:56,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 01:52:56,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 01:52:56,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 01:52:56,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 01:52:56,265 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 01:52:56,265 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 01:52:56,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 01:52:56,265 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27ce6cfdcb9dfa0489011437b04a08db6e71d8edccf3dd91706f7dddce0310b4 [2022-07-21 01:52:56,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 01:52:56,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 01:52:56,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 01:52:56,570 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 01:52:56,571 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 01:52:56,572 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0684b.c [2022-07-21 01:52:56,640 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82a6eb365/5cb1c3aa6b1648b2b3c3750e3c9f9442/FLAGcd0ca0307 [2022-07-21 01:52:57,004 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 01:52:57,005 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c [2022-07-21 01:52:57,016 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82a6eb365/5cb1c3aa6b1648b2b3c3750e3c9f9442/FLAGcd0ca0307 [2022-07-21 01:52:57,024 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82a6eb365/5cb1c3aa6b1648b2b3c3750e3c9f9442 [2022-07-21 01:52:57,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 01:52:57,031 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 01:52:57,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 01:52:57,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 01:52:57,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 01:52:57,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:52:57" (1/1) ... [2022-07-21 01:52:57,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408d1f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:57, skipping insertion in model container [2022-07-21 01:52:57,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:52:57" (1/1) ... [2022-07-21 01:52:57,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 01:52:57,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 01:52:57,275 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_0684b.c[5556,5569] [2022-07-21 01:52:57,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:52:57,289 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 01:52:57,329 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_0684b.c[5556,5569] [2022-07-21 01:52:57,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:52:57,351 INFO L208 MainTranslator]: Completed translation [2022-07-21 01:52:57,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:57 WrapperNode [2022-07-21 01:52:57,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 01:52:57,354 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 01:52:57,354 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 01:52:57,354 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 01:52:57,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:57" (1/1) ... [2022-07-21 01:52:57,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:57" (1/1) ... [2022-07-21 01:52:57,404 INFO L137 Inliner]: procedures = 20, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 274 [2022-07-21 01:52:57,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 01:52:57,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 01:52:57,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 01:52:57,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 01:52:57,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:57" (1/1) ... [2022-07-21 01:52:57,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:57" (1/1) ... [2022-07-21 01:52:57,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:57" (1/1) ... [2022-07-21 01:52:57,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:57" (1/1) ... [2022-07-21 01:52:57,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:57" (1/1) ... [2022-07-21 01:52:57,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:57" (1/1) ... [2022-07-21 01:52:57,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:57" (1/1) ... [2022-07-21 01:52:57,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 01:52:57,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 01:52:57,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 01:52:57,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 01:52:57,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:57" (1/1) ... [2022-07-21 01:52:57,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:52:57,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 01:52:57,498 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) [2022-07-21 01:52:57,504 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 [2022-07-21 01:52:57,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 01:52:57,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 01:52:57,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 01:52:57,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-07-21 01:52:57,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 01:52:57,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-07-21 01:52:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-07-21 01:52:57,541 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-07-21 01:52:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 01:52:57,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 01:52:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 01:52:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-07-21 01:52:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2022-07-21 01:52:57,544 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2022-07-21 01:52:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 01:52:57,621 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 01:52:57,622 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 01:52:57,976 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 01:52:57,981 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 01:52:57,981 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2022-07-21 01:52:57,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:52:57 BoogieIcfgContainer [2022-07-21 01:52:57,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 01:52:57,984 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 01:52:57,984 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 01:52:57,986 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 01:52:57,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:52:57" (1/3) ... [2022-07-21 01:52:57,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de1e544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:52:57, skipping insertion in model container [2022-07-21 01:52:57,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:57" (2/3) ... [2022-07-21 01:52:57,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de1e544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:52:57, skipping insertion in model container [2022-07-21 01:52:57,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:52:57" (3/3) ... [2022-07-21 01:52:57,988 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0684b.c [2022-07-21 01:52:57,997 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 01:52:57,997 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 01:52:58,029 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 01:52:58,033 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4a09b545, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3b07a7d3 [2022-07-21 01:52:58,034 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 01:52:58,038 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 101 states have (on average 1.7227722772277227) internal successors, (174), 102 states have internal predecessors, (174), 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) [2022-07-21 01:52:58,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-21 01:52:58,050 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:52:58,051 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:52:58,051 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:52:58,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:52:58,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1799288028, now seen corresponding path program 1 times [2022-07-21 01:52:58,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 01:52:58,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452781310] [2022-07-21 01:52:58,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:52:58,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 01:52:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:52:58,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:52:58,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 01:52:58,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452781310] [2022-07-21 01:52:58,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452781310] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:52:58,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:52:58,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 01:52:58,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636243680] [2022-07-21 01:52:58,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:52:58,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 01:52:58,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 01:52:58,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 01:52:58,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 01:52:58,235 INFO L87 Difference]: Start difference. First operand has 109 states, 101 states have (on average 1.7227722772277227) internal successors, (174), 102 states have internal predecessors, (174), 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 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:52:58,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:52:58,265 INFO L93 Difference]: Finished difference Result 216 states and 366 transitions. [2022-07-21 01:52:58,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 01:52:58,267 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-07-21 01:52:58,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:52:58,272 INFO L225 Difference]: With dead ends: 216 [2022-07-21 01:52:58,272 INFO L226 Difference]: Without dead ends: 105 [2022-07-21 01:52:58,275 INFO L412 NwaCegarLoop]: 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 [2022-07-21 01:52:58,279 INFO L413 NwaCegarLoop]: 159 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, 159 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 [2022-07-21 01:52:58,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 01:52:58,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-07-21 01:52:58,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2022-07-21 01:52:58,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 98 states have (on average 1.489795918367347) internal successors, (146), 98 states have internal predecessors, (146), 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) [2022-07-21 01:52:58,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 154 transitions. [2022-07-21 01:52:58,309 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 154 transitions. Word has length 14 [2022-07-21 01:52:58,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:52:58,309 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 154 transitions. [2022-07-21 01:52:58,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:52:58,310 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 154 transitions. [2022-07-21 01:52:58,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-07-21 01:52:58,310 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:52:58,310 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:52:58,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 01:52:58,311 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:52:58,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:52:58,311 INFO L85 PathProgramCache]: Analyzing trace with hash 647324465, now seen corresponding path program 1 times [2022-07-21 01:52:58,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 01:52:58,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811243991] [2022-07-21 01:52:58,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:52:58,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 01:52:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:52:58,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:52:58,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 01:52:58,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811243991] [2022-07-21 01:52:58,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811243991] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:52:58,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:52:58,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 01:52:58,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302195088] [2022-07-21 01:52:58,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:52:58,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 01:52:58,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 01:52:58,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 01:52:58,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-21 01:52:58,443 INFO L87 Difference]: Start difference. First operand 105 states and 154 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 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) [2022-07-21 01:52:58,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:52:58,507 INFO L93 Difference]: Finished difference Result 218 states and 323 transitions. [2022-07-21 01:52:58,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 01:52:58,508 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 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 [2022-07-21 01:52:58,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:52:58,510 INFO L225 Difference]: With dead ends: 218 [2022-07-21 01:52:58,510 INFO L226 Difference]: Without dead ends: 147 [2022-07-21 01:52:58,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-21 01:52:58,511 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 81 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 01:52:58,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 320 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 01:52:58,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2022-07-21 01:52:58,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 132. [2022-07-21 01:52:58,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 125 states have (on average 1.528) internal successors, (191), 125 states have internal predecessors, (191), 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) [2022-07-21 01:52:58,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 199 transitions. [2022-07-21 01:52:58,522 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 199 transitions. Word has length 17 [2022-07-21 01:52:58,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:52:58,523 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 199 transitions. [2022-07-21 01:52:58,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 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) [2022-07-21 01:52:58,523 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 199 transitions. [2022-07-21 01:52:58,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-21 01:52:58,524 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:52:58,524 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:52:58,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 01:52:58,524 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:52:58,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:52:58,525 INFO L85 PathProgramCache]: Analyzing trace with hash 2009397772, now seen corresponding path program 1 times [2022-07-21 01:52:58,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 01:52:58,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662214470] [2022-07-21 01:52:58,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:52:58,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 01:52:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 01:52:58,627 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-21 01:52:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 01:52:58,725 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-21 01:52:58,726 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-21 01:52:58,726 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 01:52:58,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 01:52:58,730 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-07-21 01:52:58,733 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 01:52:58,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:52:58 BoogieIcfgContainer [2022-07-21 01:52:58,784 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 01:52:58,785 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 01:52:58,785 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 01:52:58,785 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 01:52:58,786 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:52:57" (3/4) ... [2022-07-21 01:52:58,788 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-21 01:52:58,788 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 01:52:58,789 INFO L158 Benchmark]: Toolchain (without parser) took 1757.80ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 37.1MB in the beginning and 39.1MB in the end (delta: -2.0MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2022-07-21 01:52:58,790 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 58.7MB. Free memory was 40.7MB in the beginning and 40.6MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:52:58,791 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.50ms. Allocated memory is still 58.7MB. Free memory was 36.9MB in the beginning and 37.9MB in the end (delta: -997.0kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-21 01:52:58,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.93ms. Allocated memory is still 58.7MB. Free memory was 37.9MB in the beginning and 35.3MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:52:58,799 INFO L158 Benchmark]: Boogie Preprocessor took 52.22ms. Allocated memory is still 58.7MB. Free memory was 35.3MB in the beginning and 32.7MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-21 01:52:58,799 INFO L158 Benchmark]: RCFGBuilder took 520.49ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 32.7MB in the beginning and 46.1MB in the end (delta: -13.5MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2022-07-21 01:52:58,800 INFO L158 Benchmark]: TraceAbstraction took 799.69ms. Allocated memory is still 81.8MB. Free memory was 45.5MB in the beginning and 39.6MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-21 01:52:58,801 INFO L158 Benchmark]: Witness Printer took 3.12ms. Allocated memory is still 81.8MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:52:58,803 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 58.7MB. Free memory was 40.7MB in the beginning and 40.6MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.50ms. Allocated memory is still 58.7MB. Free memory was 36.9MB in the beginning and 37.9MB in the end (delta: -997.0kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.93ms. Allocated memory is still 58.7MB. Free memory was 37.9MB in the beginning and 35.3MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.22ms. Allocated memory is still 58.7MB. Free memory was 35.3MB in the beginning and 32.7MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 520.49ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 32.7MB in the beginning and 46.1MB in the end (delta: -13.5MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * TraceAbstraction took 799.69ms. Allocated memory is still 81.8MB. Free memory was 45.5MB in the beginning and 39.6MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 3.12ms. Allocated memory is still 81.8MB. Free memory is still 39.1MB. 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: 245]: 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 244, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 225, 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] [L236] float x = __VERIFIER_nondet_float(); [L237] float y = -1.0f / 0.0f; [L239] CALL isfinite_float(x) [L219] __int32_t ix; VAL [\old(x)=1000000000000000000000000000002, 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=1000000000000000000000000000002, zero_atan2=0] [L221] ieee_float_shape_type gf_u; [L222] gf_u.value = (x) [L223] EXPR gf_u.word [L223] (ix) = gf_u.word [L225] ix &= 0x7fffffff [L226] return (((ix) < 0x7f800000L)); VAL [\old(x)=1000000000000000000000000000002, \result=1, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, ix=2139095039, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, zero_atan2=0] [L239] RET isfinite_float(x) [L239] COND TRUE isfinite_float(x) [L241] CALL, EXPR __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=1000000000000000000000000000002, \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=1000000000000000000000000000002, 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)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=0, ix=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, 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)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=0, hy=2147483647, ix=0, iy=2147483646, iy = hy & 0x7fffffff=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=0, hy=2147483647, ix=0, iy=2147483646, iy = hy & 0x7fffffff=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L241] RET, EXPR __ieee754_atan2f(y, x) [L241] float res = __ieee754_atan2f(y, x); [L244] COND TRUE res != -pi_o_2 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, iy = hy & 0x7fffffff=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000003, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L245] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, iy = hy & 0x7fffffff=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000003, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 109 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 83 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 479 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 162 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 317 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=2, InterpolantAutomatonStates: 6, 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, 2 MinimizatonAttempts, 15 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 41 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2022-07-21 01:52:58,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_0684b.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 27ce6cfdcb9dfa0489011437b04a08db6e71d8edccf3dd91706f7dddce0310b4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 01:53:00,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 01:53:00,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 01:53:00,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 01:53:00,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 01:53:00,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 01:53:00,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 01:53:00,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 01:53:00,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 01:53:00,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 01:53:00,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 01:53:00,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 01:53:00,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 01:53:00,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 01:53:00,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 01:53:00,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 01:53:00,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 01:53:00,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 01:53:00,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 01:53:00,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 01:53:00,681 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 01:53:00,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 01:53:00,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 01:53:00,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 01:53:00,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 01:53:00,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 01:53:00,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 01:53:00,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 01:53:00,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 01:53:00,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 01:53:00,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 01:53:00,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 01:53:00,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 01:53:00,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 01:53:00,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 01:53:00,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 01:53:00,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 01:53:00,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 01:53:00,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 01:53:00,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 01:53:00,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 01:53:00,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 01:53:00,704 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-21 01:53:00,730 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 01:53:00,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 01:53:00,731 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 01:53:00,731 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 01:53:00,732 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 01:53:00,732 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 01:53:00,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 01:53:00,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 01:53:00,733 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 01:53:00,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 01:53:00,734 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 01:53:00,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 01:53:00,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 01:53:00,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 01:53:00,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 01:53:00,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 01:53:00,735 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 01:53:00,735 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 01:53:00,735 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 01:53:00,735 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 01:53:00,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 01:53:00,736 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 01:53:00,736 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 01:53:00,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 01:53:00,736 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 01:53:00,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 01:53:00,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:53:00,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 01:53:00,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 01:53:00,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 01:53:00,737 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 01:53:00,737 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 01:53:00,737 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 01:53:00,738 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 01:53:00,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 01:53:00,738 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 01:53:00,738 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27ce6cfdcb9dfa0489011437b04a08db6e71d8edccf3dd91706f7dddce0310b4 [2022-07-21 01:53:01,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 01:53:01,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 01:53:01,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 01:53:01,065 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 01:53:01,068 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 01:53:01,070 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0684b.c [2022-07-21 01:53:01,123 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c14234cb8/5d486fedcb0e4f3f9c747db6c4577292/FLAGffe09a9b9 [2022-07-21 01:53:01,496 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 01:53:01,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c [2022-07-21 01:53:01,504 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c14234cb8/5d486fedcb0e4f3f9c747db6c4577292/FLAGffe09a9b9 [2022-07-21 01:53:01,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c14234cb8/5d486fedcb0e4f3f9c747db6c4577292 [2022-07-21 01:53:01,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 01:53:01,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 01:53:01,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 01:53:01,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 01:53:01,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 01:53:01,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:53:01" (1/1) ... [2022-07-21 01:53:01,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f520d2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:53:01, skipping insertion in model container [2022-07-21 01:53:01,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:53:01" (1/1) ... [2022-07-21 01:53:01,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 01:53:01,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 01:53:02,149 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_0684b.c[5556,5569] [2022-07-21 01:53:02,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:53:02,166 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 01:53:02,204 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_0684b.c[5556,5569] [2022-07-21 01:53:02,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:53:02,234 INFO L208 MainTranslator]: Completed translation [2022-07-21 01:53:02,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:53:02 WrapperNode [2022-07-21 01:53:02,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 01:53:02,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 01:53:02,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 01:53:02,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 01:53:02,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:53:02" (1/1) ... [2022-07-21 01:53:02,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:53:02" (1/1) ... [2022-07-21 01:53:02,299 INFO L137 Inliner]: procedures = 23, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 238 [2022-07-21 01:53:02,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 01:53:02,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 01:53:02,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 01:53:02,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 01:53:02,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:53:02" (1/1) ... [2022-07-21 01:53:02,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:53:02" (1/1) ... [2022-07-21 01:53:02,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:53:02" (1/1) ... [2022-07-21 01:53:02,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:53:02" (1/1) ... [2022-07-21 01:53:02,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:53:02" (1/1) ... [2022-07-21 01:53:02,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:53:02" (1/1) ... [2022-07-21 01:53:02,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:53:02" (1/1) ... [2022-07-21 01:53:02,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 01:53:02,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 01:53:02,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 01:53:02,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 01:53:02,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:53:02" (1/1) ... [2022-07-21 01:53:02,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:53:02,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 01:53:02,353 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) [2022-07-21 01:53:02,365 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 [2022-07-21 01:53:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 01:53:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-07-21 01:53:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 01:53:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 01:53:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-07-21 01:53:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-07-21 01:53:02,383 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-07-21 01:53:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 01:53:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 01:53:02,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 01:53:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-07-21 01:53:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2022-07-21 01:53:02,383 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2022-07-21 01:53:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 01:53:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 01:53:02,482 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 01:53:02,491 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 01:53:13,926 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 01:53:13,930 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 01:53:13,931 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2022-07-21 01:53:13,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:53:13 BoogieIcfgContainer [2022-07-21 01:53:13,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 01:53:13,933 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 01:53:13,934 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 01:53:13,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 01:53:13,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:53:01" (1/3) ... [2022-07-21 01:53:13,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be88862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:53:13, skipping insertion in model container [2022-07-21 01:53:13,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:53:02" (2/3) ... [2022-07-21 01:53:13,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be88862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:53:13, skipping insertion in model container [2022-07-21 01:53:13,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:53:13" (3/3) ... [2022-07-21 01:53:13,938 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0684b.c [2022-07-21 01:53:13,948 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 01:53:13,948 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 01:53:14,016 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 01:53:14,022 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1a76acd0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@576f663d [2022-07-21 01:53:14,022 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 01:53:14,025 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 88 states have (on average 1.6477272727272727) internal successors, (145), 89 states have internal predecessors, (145), 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) [2022-07-21 01:53:14,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-21 01:53:14,029 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:53:14,030 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:53:14,030 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:53:14,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:53:14,034 INFO L85 PathProgramCache]: Analyzing trace with hash -540288573, now seen corresponding path program 1 times [2022-07-21 01:53:14,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:53:14,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1259204706] [2022-07-21 01:53:14,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:53:14,042 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:53:14,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:53:14,048 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) [2022-07-21 01:53:14,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 01:53:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:53:14,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-21 01:53:14,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:53:14,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:53:14,813 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:53:14,814 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:53:14,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1259204706] [2022-07-21 01:53:14,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1259204706] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:53:14,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:53:14,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 01:53:14,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748095382] [2022-07-21 01:53:14,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:53:14,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 01:53:14,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:53:14,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 01:53:14,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 01:53:14,849 INFO L87 Difference]: Start difference. First operand has 96 states, 88 states have (on average 1.6477272727272727) internal successors, (145), 89 states have internal predecessors, (145), 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 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:53:14,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:53:14,892 INFO L93 Difference]: Finished difference Result 190 states and 308 transitions. [2022-07-21 01:53:14,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 01:53:14,894 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-07-21 01:53:14,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:53:14,900 INFO L225 Difference]: With dead ends: 190 [2022-07-21 01:53:14,900 INFO L226 Difference]: Without dead ends: 92 [2022-07-21 01:53:14,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 01:53:14,906 INFO L413 NwaCegarLoop]: 136 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, 136 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 [2022-07-21 01:53:14,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 01:53:14,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-07-21 01:53:14,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2022-07-21 01:53:14,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 85 states have (on average 1.4470588235294117) internal successors, (123), 85 states have internal predecessors, (123), 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) [2022-07-21 01:53:14,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2022-07-21 01:53:14,949 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 14 [2022-07-21 01:53:14,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:53:14,950 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2022-07-21 01:53:14,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:53:14,950 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2022-07-21 01:53:14,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-07-21 01:53:14,952 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:53:14,952 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:53:14,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-21 01:53:15,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:53:15,172 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:53:15,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:53:15,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1209401097, now seen corresponding path program 1 times [2022-07-21 01:53:15,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:53:15,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2020530298] [2022-07-21 01:53:15,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:53:15,173 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:53:15,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:53:15,175 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) [2022-07-21 01:53:15,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 01:53:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:53:16,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 29 conjunts are in the unsatisfiable core [2022-07-21 01:53:16,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:53:16,265 INFO L390 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 [2022-07-21 01:53:17,662 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-07-21 01:53:17,662 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 35 [2022-07-21 01:53:18,672 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-07-21 01:53:18,672 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 26 [2022-07-21 01:53:19,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:53:19,630 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:53:19,631 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:53:19,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2020530298] [2022-07-21 01:53:19,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2020530298] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:53:19,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:53:19,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 01:53:19,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604748099] [2022-07-21 01:53:19,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:53:19,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 01:53:19,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:53:19,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 01:53:19,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-07-21 01:53:19,642 INFO L87 Difference]: Start difference. First operand 92 states and 131 transitions. Second operand has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 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) [2022-07-21 01:53:19,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:53:19,670 INFO L93 Difference]: Finished difference Result 96 states and 134 transitions. [2022-07-21 01:53:19,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 01:53:19,671 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 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 [2022-07-21 01:53:19,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:53:19,674 INFO L225 Difference]: With dead ends: 96 [2022-07-21 01:53:19,674 INFO L226 Difference]: Without dead ends: 92 [2022-07-21 01:53:19,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-07-21 01:53:19,677 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 110 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 01:53:19,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1105 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 110 Unchecked, 0.0s Time] [2022-07-21 01:53:19,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-07-21 01:53:19,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2022-07-21 01:53:19,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 85 states have (on average 1.4352941176470588) internal successors, (122), 85 states have internal predecessors, (122), 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) [2022-07-21 01:53:19,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 130 transitions. [2022-07-21 01:53:19,692 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 130 transitions. Word has length 17 [2022-07-21 01:53:19,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:53:19,693 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 130 transitions. [2022-07-21 01:53:19,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 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) [2022-07-21 01:53:19,693 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 130 transitions. [2022-07-21 01:53:19,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-21 01:53:19,694 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:53:19,694 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:53:19,737 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-21 01:53:19,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:53:19,908 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:53:19,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:53:19,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1450439137, now seen corresponding path program 1 times [2022-07-21 01:53:19,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:53:19,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1929176123] [2022-07-21 01:53:19,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:53:19,909 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:53:19,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:53:19,912 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) [2022-07-21 01:53:19,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 01:53:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:53:20,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 01:53:20,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:53:22,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:53:22,348 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:53:22,348 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:53:22,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1929176123] [2022-07-21 01:53:22,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1929176123] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:53:22,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:53:22,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 01:53:22,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375121268] [2022-07-21 01:53:22,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:53:22,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 01:53:22,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:53:22,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 01:53:22,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 01:53:22,354 INFO L87 Difference]: Start difference. First operand 92 states and 130 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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) [2022-07-21 01:53:27,704 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:53:32,079 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:53:33,853 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:53:35,924 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:53:39,014 WARN L534 Checker$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 [] [2022-07-21 01:53:42,215 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:53:43,466 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:53:43,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:53:43,700 INFO L93 Difference]: Finished difference Result 100 states and 138 transitions. [2022-07-21 01:53:43,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 01:53:43,701 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-07-21 01:53:43,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:53:43,703 INFO L225 Difference]: With dead ends: 100 [2022-07-21 01:53:43,703 INFO L226 Difference]: Without dead ends: 95 [2022-07-21 01:53:43,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-07-21 01:53:43,704 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 107 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2022-07-21 01:53:43,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 368 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 143 Invalid, 5 Unknown, 0 Unchecked, 19.9s Time] [2022-07-21 01:53:43,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-07-21 01:53:43,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 92. [2022-07-21 01:53:43,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 85 states have (on average 1.423529411764706) internal successors, (121), 85 states have internal predecessors, (121), 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) [2022-07-21 01:53:43,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2022-07-21 01:53:43,723 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 22 [2022-07-21 01:53:43,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:53:43,723 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2022-07-21 01:53:43,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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) [2022-07-21 01:53:43,724 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2022-07-21 01:53:43,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-21 01:53:43,724 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:53:43,725 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:53:43,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 01:53:43,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:53:43,947 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:53:43,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:53:43,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1452286179, now seen corresponding path program 1 times [2022-07-21 01:53:43,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:53:43,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1806496247] [2022-07-21 01:53:43,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:53:43,948 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:53:43,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:53:43,954 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) [2022-07-21 01:53:43,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 01:53:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:53:44,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 01:53:44,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:53:45,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:53:45,134 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:53:45,134 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:53:45,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1806496247] [2022-07-21 01:53:45,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1806496247] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:53:45,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:53:45,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 01:53:45,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813524463] [2022-07-21 01:53:45,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:53:45,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 01:53:45,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:53:45,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 01:53:45,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 01:53:45,135 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2022-07-21 01:53:45,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:53:45,139 INFO L93 Difference]: Finished difference Result 100 states and 135 transitions. [2022-07-21 01:53:45,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 01:53:45,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-07-21 01:53:45,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:53:45,140 INFO L225 Difference]: With dead ends: 100 [2022-07-21 01:53:45,140 INFO L226 Difference]: Without dead ends: 94 [2022-07-21 01:53:45,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 01:53:45,141 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 61 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 01:53:45,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 408 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 9 Unchecked, 0.0s Time] [2022-07-21 01:53:45,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-07-21 01:53:45,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 90. [2022-07-21 01:53:45,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 83 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) [2022-07-21 01:53:45,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2022-07-21 01:53:45,151 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 126 transitions. Word has length 22 [2022-07-21 01:53:45,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:53:45,152 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 126 transitions. [2022-07-21 01:53:45,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2022-07-21 01:53:45,153 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 126 transitions. [2022-07-21 01:53:45,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-21 01:53:45,156 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:53:45,157 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:53:45,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 01:53:45,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:53:45,383 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:53:45,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:53:45,384 INFO L85 PathProgramCache]: Analyzing trace with hash -947623069, now seen corresponding path program 1 times [2022-07-21 01:53:45,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:53:45,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [650411467] [2022-07-21 01:53:45,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:53:45,384 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:53:45,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:53:45,386 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) [2022-07-21 01:53:45,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 01:53:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:53:46,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-21 01:53:46,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:53:46,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:53:46,841 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:53:46,841 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:53:46,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [650411467] [2022-07-21 01:53:46,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [650411467] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:53:46,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:53:46,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 01:53:46,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115838894] [2022-07-21 01:53:46,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:53:46,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 01:53:46,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:53:46,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 01:53:46,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 01:53:46,842 INFO L87 Difference]: Start difference. First operand 90 states and 126 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2022-07-21 01:53:46,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:53:46,847 INFO L93 Difference]: Finished difference Result 160 states and 224 transitions. [2022-07-21 01:53:46,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 01:53:46,847 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-07-21 01:53:46,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:53:46,848 INFO L225 Difference]: With dead ends: 160 [2022-07-21 01:53:46,848 INFO L226 Difference]: Without dead ends: 88 [2022-07-21 01:53:46,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 01:53:46,849 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 5 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 14 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 01:53:46,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 540 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 14 Unchecked, 0.0s Time] [2022-07-21 01:53:46,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-07-21 01:53:46,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 84. [2022-07-21 01:53:46,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 77 states have internal predecessors, (107), 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) [2022-07-21 01:53:46,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 115 transitions. [2022-07-21 01:53:46,854 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 115 transitions. Word has length 22 [2022-07-21 01:53:46,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:53:46,855 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 115 transitions. [2022-07-21 01:53:46,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2022-07-21 01:53:46,866 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 115 transitions. [2022-07-21 01:53:46,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-21 01:53:46,866 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:53:46,866 INFO L195 NwaCegarLoop]: 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] [2022-07-21 01:53:46,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 01:53:47,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:53:47,068 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:53:47,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:53:47,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1672952196, now seen corresponding path program 1 times [2022-07-21 01:53:47,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:53:47,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1898679821] [2022-07-21 01:53:47,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:53:47,069 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:53:47,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:53:47,071 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) [2022-07-21 01:53:47,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 01:53:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:53:47,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-21 01:53:47,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:53:47,837 INFO L390 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 [2022-07-21 01:53:48,872 INFO L390 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 37 treesize of output 21 [2022-07-21 01:53:50,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:53:50,056 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:53:50,057 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:53:50,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1898679821] [2022-07-21 01:53:50,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1898679821] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:53:50,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:53:50,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 01:53:50,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132315239] [2022-07-21 01:53:50,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:53:50,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 01:53:50,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:53:50,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 01:53:50,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-21 01:53:50,059 INFO L87 Difference]: Start difference. First operand 84 states and 115 transitions. Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 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) [2022-07-21 01:53:50,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:53:50,323 INFO L93 Difference]: Finished difference Result 141 states and 190 transitions. [2022-07-21 01:53:50,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 01:53:50,323 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 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 23 [2022-07-21 01:53:50,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:53:50,325 INFO L225 Difference]: With dead ends: 141 [2022-07-21 01:53:50,325 INFO L226 Difference]: Without dead ends: 77 [2022-07-21 01:53:50,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-07-21 01:53:50,328 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 7 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 66 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 01:53:50,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 636 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 66 Unchecked, 0.0s Time] [2022-07-21 01:53:50,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-07-21 01:53:50,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 73. [2022-07-21 01:53:50,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 66 states have (on average 1.303030303030303) internal successors, (86), 66 states have internal predecessors, (86), 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) [2022-07-21 01:53:50,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 94 transitions. [2022-07-21 01:53:50,341 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 94 transitions. Word has length 23 [2022-07-21 01:53:50,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:53:50,341 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 94 transitions. [2022-07-21 01:53:50,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 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) [2022-07-21 01:53:50,342 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2022-07-21 01:53:50,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-21 01:53:50,342 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:53:50,342 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:53:50,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 01:53:50,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:53:50,568 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:53:50,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:53:50,568 INFO L85 PathProgramCache]: Analyzing trace with hash 791814228, now seen corresponding path program 1 times [2022-07-21 01:53:50,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:53:50,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [554563190] [2022-07-21 01:53:50,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:53:50,569 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:53:50,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:53:50,573 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) [2022-07-21 01:53:50,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 01:53:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:53:51,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 01:53:51,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:53:53,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:53:53,447 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:53:53,447 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:53:53,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [554563190] [2022-07-21 01:53:53,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [554563190] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:53:53,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:53:53,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 01:53:53,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067047739] [2022-07-21 01:53:53,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:53:53,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 01:53:53,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:53:53,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 01:53:53,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 01:53:53,449 INFO L87 Difference]: Start difference. First operand 73 states and 94 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2022-07-21 01:54:00,155 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:54:02,886 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:54:04,998 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:54:07,217 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:54:08,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:54:11,570 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:54:12,901 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:54:15,179 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:54:16,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:54:16,337 INFO L93 Difference]: Finished difference Result 81 states and 102 transitions. [2022-07-21 01:54:16,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 01:54:16,338 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 24 [2022-07-21 01:54:16,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:54:16,339 INFO L225 Difference]: With dead ends: 81 [2022-07-21 01:54:16,339 INFO L226 Difference]: Without dead ends: 76 [2022-07-21 01:54:16,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-07-21 01:54:16,340 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 69 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2022-07-21 01:54:16,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 268 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 6 Unknown, 0 Unchecked, 21.4s Time] [2022-07-21 01:54:16,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-07-21 01:54:16,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 73. [2022-07-21 01:54:16,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 66 states have (on average 1.2878787878787878) internal successors, (85), 66 states have internal predecessors, (85), 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) [2022-07-21 01:54:16,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 93 transitions. [2022-07-21 01:54:16,344 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 93 transitions. Word has length 24 [2022-07-21 01:54:16,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:54:16,344 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 93 transitions. [2022-07-21 01:54:16,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2022-07-21 01:54:16,344 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2022-07-21 01:54:16,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-21 01:54:16,345 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:54:16,345 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:54:16,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 01:54:16,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:54:16,546 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:54:16,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:54:16,546 INFO L85 PathProgramCache]: Analyzing trace with hash 793661270, now seen corresponding path program 1 times [2022-07-21 01:54:16,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:54:16,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [650965130] [2022-07-21 01:54:16,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:54:16,546 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:54:16,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:54:16,549 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) [2022-07-21 01:54:16,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 01:54:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:54:17,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 01:54:17,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:54:17,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:54:17,920 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:54:17,920 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:54:17,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [650965130] [2022-07-21 01:54:17,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [650965130] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:54:17,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:54:17,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 01:54:17,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191428008] [2022-07-21 01:54:17,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:54:17,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 01:54:17,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:54:17,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 01:54:17,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 01:54:17,921 INFO L87 Difference]: Start difference. First operand 73 states and 93 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) [2022-07-21 01:54:17,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:54:17,924 INFO L93 Difference]: Finished difference Result 77 states and 96 transitions. [2022-07-21 01:54:17,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 01:54:17,925 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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 24 [2022-07-21 01:54:17,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:54:17,925 INFO L225 Difference]: With dead ends: 77 [2022-07-21 01:54:17,925 INFO L226 Difference]: Without dead ends: 71 [2022-07-21 01:54:17,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 01:54:17,927 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 26 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 01:54:17,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 303 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 6 Unchecked, 0.0s Time] [2022-07-21 01:54:17,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-07-21 01:54:17,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-07-21 01:54:17,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 64 states have (on average 1.28125) internal successors, (82), 64 states have internal predecessors, (82), 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) [2022-07-21 01:54:17,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2022-07-21 01:54:17,939 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 24 [2022-07-21 01:54:17,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:54:17,939 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2022-07-21 01:54:17,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) [2022-07-21 01:54:17,939 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2022-07-21 01:54:17,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-21 01:54:17,940 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:54:17,940 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:54:17,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-21 01:54:18,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:54:18,155 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:54:18,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:54:18,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1553945203, now seen corresponding path program 1 times [2022-07-21 01:54:18,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:54:18,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1736278370] [2022-07-21 01:54:18,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:54:18,156 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:54:18,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:54:18,157 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) [2022-07-21 01:54:18,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-21 01:54:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:54:19,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-21 01:54:19,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:54:19,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:54:19,869 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:54:19,870 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:54:19,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1736278370] [2022-07-21 01:54:19,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1736278370] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:54:19,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:54:19,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 01:54:19,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193488508] [2022-07-21 01:54:19,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:54:19,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 01:54:19,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:54:19,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 01:54:19,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 01:54:19,871 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:54:19,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:54:19,873 INFO L93 Difference]: Finished difference Result 105 states and 133 transitions. [2022-07-21 01:54:19,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 01:54:19,874 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-07-21 01:54:19,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:54:19,874 INFO L225 Difference]: With dead ends: 105 [2022-07-21 01:54:19,874 INFO L226 Difference]: Without dead ends: 51 [2022-07-21 01:54:19,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 01:54:19,875 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 5 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 7 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 01:54:19,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 280 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 7 Unchecked, 0.0s Time] [2022-07-21 01:54:19,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-07-21 01:54:19,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-07-21 01:54:19,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 46 states have (on average 1.2391304347826086) internal successors, (57), 46 states have internal predecessors, (57), 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) [2022-07-21 01:54:19,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions. [2022-07-21 01:54:19,878 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 25 [2022-07-21 01:54:19,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:54:19,878 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions. [2022-07-21 01:54:19,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:54:19,878 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2022-07-21 01:54:19,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-21 01:54:19,878 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:54:19,878 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:54:19,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-21 01:54:20,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:54:20,079 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:54:20,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:54:20,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1512113405, now seen corresponding path program 1 times [2022-07-21 01:54:20,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:54:20,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1681876617] [2022-07-21 01:54:20,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:54:20,080 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:54:20,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:54:20,082 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 01:54:20,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-21 01:54:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:54:20,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-21 01:54:21,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:54:22,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:54:22,142 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:54:22,142 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:54:22,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1681876617] [2022-07-21 01:54:22,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1681876617] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:54:22,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:54:22,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 01:54:22,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118254528] [2022-07-21 01:54:22,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:54:22,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 01:54:22,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:54:22,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 01:54:22,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-21 01:54:22,143 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 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) [2022-07-21 01:54:25,216 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:54:26,347 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:54:28,421 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:54:30,604 WARN L534 Checker$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 [] [2022-07-21 01:54:32,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:54:34,562 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:54:36,717 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:54:36,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:54:36,717 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2022-07-21 01:54:36,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 01:54:36,768 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 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 28 [2022-07-21 01:54:36,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:54:36,768 INFO L225 Difference]: With dead ends: 58 [2022-07-21 01:54:36,768 INFO L226 Difference]: Without dead ends: 51 [2022-07-21 01:54:36,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-07-21 01:54:36,769 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 8 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 31 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-07-21 01:54:36,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 317 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 5 Unknown, 31 Unchecked, 14.3s Time] [2022-07-21 01:54:36,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-07-21 01:54:36,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-07-21 01:54:36,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 46 states have internal predecessors, (56), 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) [2022-07-21 01:54:36,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 60 transitions. [2022-07-21 01:54:36,772 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 60 transitions. Word has length 28 [2022-07-21 01:54:36,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:54:36,772 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 60 transitions. [2022-07-21 01:54:36,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 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) [2022-07-21 01:54:36,772 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2022-07-21 01:54:36,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-07-21 01:54:36,773 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:54:36,773 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:54:36,805 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2022-07-21 01:54:36,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:54:36,980 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:54:36,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:54:36,980 INFO L85 PathProgramCache]: Analyzing trace with hash 868682631, now seen corresponding path program 1 times [2022-07-21 01:54:36,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:54:36,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1189547817] [2022-07-21 01:54:36,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:54:36,981 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:54:36,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:54:36,987 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 01:54:36,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-21 01:54:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:54:37,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-21 01:54:37,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:54:38,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:54:38,673 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:54:38,673 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:54:38,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1189547817] [2022-07-21 01:54:38,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1189547817] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:54:38,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:54:38,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 01:54:38,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72838234] [2022-07-21 01:54:38,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:54:38,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 01:54:38,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:54:38,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 01:54:38,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 01:54:38,674 INFO L87 Difference]: Start difference. First operand 51 states and 60 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 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) [2022-07-21 01:54:41,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:54:43,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:54:45,659 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:54:47,868 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:54:50,494 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:54:51,667 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:54:51,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:54:51,667 INFO L93 Difference]: Finished difference Result 61 states and 69 transitions. [2022-07-21 01:54:51,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 01:54:51,714 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 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 29 [2022-07-21 01:54:51,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:54:51,715 INFO L225 Difference]: With dead ends: 61 [2022-07-21 01:54:51,715 INFO L226 Difference]: Without dead ends: 54 [2022-07-21 01:54:51,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-21 01:54:51,716 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 36 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 30 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2022-07-21 01:54:51,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 238 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 3 Unknown, 30 Unchecked, 12.7s Time] [2022-07-21 01:54:51,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-07-21 01:54:51,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2022-07-21 01:54:51,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 46 states have (on average 1.1956521739130435) internal successors, (55), 46 states have internal predecessors, (55), 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) [2022-07-21 01:54:51,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 59 transitions. [2022-07-21 01:54:51,725 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 59 transitions. Word has length 29 [2022-07-21 01:54:51,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:54:51,725 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 59 transitions. [2022-07-21 01:54:51,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 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) [2022-07-21 01:54:51,726 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2022-07-21 01:54:51,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-07-21 01:54:51,726 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:54:51,726 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:54:51,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-21 01:54:51,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:54:51,930 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:54:51,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:54:51,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1756186312, now seen corresponding path program 1 times [2022-07-21 01:54:51,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:54:51,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2107133881] [2022-07-21 01:54:51,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:54:51,931 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:54:51,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:54:51,932 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 01:54:51,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-21 01:54:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:54:53,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 30 conjunts are in the unsatisfiable core [2022-07-21 01:54:53,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:54:54,301 INFO L356 Elim1Store]: treesize reduction 30, result has 45.5 percent of original size [2022-07-21 01:54:54,301 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 39 [2022-07-21 01:54:54,327 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 66 [2022-07-21 01:54:55,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 01:54:55,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 01:54:55,364 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 66 [2022-07-21 01:54:55,716 INFO L356 Elim1Store]: treesize reduction 30, result has 45.5 percent of original size [2022-07-21 01:54:55,716 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 39 [2022-07-21 01:54:56,629 INFO L356 Elim1Store]: treesize reduction 30, result has 45.5 percent of original size [2022-07-21 01:54:56,630 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 39 [2022-07-21 01:54:56,653 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 66 [2022-07-21 01:54:57,685 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 27 [2022-07-21 01:55:01,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 01:55:01,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 01:55:01,198 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 46 [2022-07-21 01:55:03,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:55:03,544 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:55:03,544 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:55:03,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2107133881] [2022-07-21 01:55:03,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2107133881] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:55:03,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:55:03,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 01:55:03,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293962367] [2022-07-21 01:55:03,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:55:03,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 01:55:03,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:55:03,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 01:55:03,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-21 01:55:03,545 INFO L87 Difference]: Start difference. First operand 51 states and 59 transitions. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 7 states have internal predecessors, (27), 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) [2022-07-21 01:55:06,396 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:55:08,517 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:55:10,533 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:55:12,742 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:55:14,747 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:55:15,975 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:55:18,178 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:55:20,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:55:22,339 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:55:24,344 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:55:24,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:55:24,345 INFO L93 Difference]: Finished difference Result 60 states and 67 transitions. [2022-07-21 01:55:24,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 01:55:24,398 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 7 states have internal predecessors, (27), 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 29 [2022-07-21 01:55:24,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:55:24,399 INFO L225 Difference]: With dead ends: 60 [2022-07-21 01:55:24,399 INFO L226 Difference]: Without dead ends: 51 [2022-07-21 01:55:24,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-07-21 01:55:24,399 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 19 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 79 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2022-07-21 01:55:24,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 276 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 8 Unknown, 79 Unchecked, 20.2s Time] [2022-07-21 01:55:24,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-07-21 01:55:24,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 49. [2022-07-21 01:55:24,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 44 states have (on average 1.1818181818181819) internal successors, (52), 44 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) [2022-07-21 01:55:24,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 56 transitions. [2022-07-21 01:55:24,403 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 56 transitions. Word has length 29 [2022-07-21 01:55:24,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:55:24,403 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 56 transitions. [2022-07-21 01:55:24,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 7 states have internal predecessors, (27), 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) [2022-07-21 01:55:24,403 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2022-07-21 01:55:24,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-21 01:55:24,405 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:55:24,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:55:24,436 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-07-21 01:55:24,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:55:24,615 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:55:24,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:55:24,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1197063290, now seen corresponding path program 1 times [2022-07-21 01:55:24,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:55:24,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1465714535] [2022-07-21 01:55:24,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:55:24,616 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:55:24,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:55:24,617 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 01:55:24,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-21 01:55:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:55:25,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-21 01:55:25,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:55:26,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:55:26,662 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:55:26,662 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:55:26,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1465714535] [2022-07-21 01:55:26,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1465714535] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:55:26,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:55:26,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 01:55:26,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729031602] [2022-07-21 01:55:26,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:55:26,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 01:55:26,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:55:26,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 01:55:26,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-21 01:55:26,664 INFO L87 Difference]: Start difference. First operand 49 states and 56 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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) [2022-07-21 01:55:27,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:55:27,205 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2022-07-21 01:55:27,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 01:55:27,205 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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 30 [2022-07-21 01:55:27,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:55:27,205 INFO L225 Difference]: With dead ends: 49 [2022-07-21 01:55:27,205 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 01:55:27,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-07-21 01:55:27,206 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 21 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 44 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 01:55:27,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 250 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 44 Unchecked, 0.2s Time] [2022-07-21 01:55:27,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 01:55:27,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 01:55:27,207 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) [2022-07-21 01:55:27,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 01:55:27,207 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2022-07-21 01:55:27,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:55:27,207 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 01:55:27,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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) [2022-07-21 01:55:27,207 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 01:55:27,207 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 01:55:27,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 01:55:27,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-07-21 01:55:27,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:55:27,411 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 01:55:33,520 INFO L899 garLoopResultBuilder]: For program point fabs_floatFINAL(lines 14 27) no Hoare annotation was computed. [2022-07-21 01:55:33,520 INFO L899 garLoopResultBuilder]: For program point fabs_floatEXIT(lines 14 27) no Hoare annotation was computed. [2022-07-21 01:55:33,521 INFO L902 garLoopResultBuilder]: At program point fabs_floatENTRY(lines 14 27) the Hoare annotation is: true [2022-07-21 01:55:33,521 INFO L899 garLoopResultBuilder]: For program point L21(lines 21 25) no Hoare annotation was computed. [2022-07-21 01:55:33,521 INFO L899 garLoopResultBuilder]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2022-07-21 01:55:33,521 INFO L899 garLoopResultBuilder]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2022-07-21 01:55:33,521 INFO L899 garLoopResultBuilder]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2022-07-21 01:55:33,521 INFO L902 garLoopResultBuilder]: At program point L16-2(lines 16 20) the Hoare annotation is: true [2022-07-21 01:55:33,521 INFO L902 garLoopResultBuilder]: At program point L250(lines 229 251) the Hoare annotation is: true [2022-07-21 01:55:33,521 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-07-21 01:55:33,521 INFO L899 garLoopResultBuilder]: For program point L184-2(line 184) no Hoare annotation was computed. [2022-07-21 01:55:33,521 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 01:55:33,521 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 137) no Hoare annotation was computed. [2022-07-21 01:55:33,521 INFO L895 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)))) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= currentRoundingMode roundNearestTiesToEven) (= (fp.sub roundNearestTiesToEven (fp.neg ~pi_o_2~0) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) |ULTIMATE.start___ieee754_atan2f_#res#1|)) [2022-07-21 01:55:33,521 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2022-07-21 01:55:33,521 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 179) no Hoare annotation was computed. [2022-07-21 01:55:33,521 INFO L899 garLoopResultBuilder]: For program point L203-1(lines 196 208) no Hoare annotation was computed. [2022-07-21 01:55:33,521 INFO L899 garLoopResultBuilder]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2022-07-21 01:55:33,521 INFO L899 garLoopResultBuilder]: For program point L220-1(lines 220 224) no Hoare annotation was computed. [2022-07-21 01:55:33,521 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 192) no Hoare annotation was computed. [2022-07-21 01:55:33,521 INFO L895 garLoopResultBuilder]: At program point L220-2(lines 220 224) the Hoare annotation is: (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= |~#atanlo_atan~0.base| (_ bv5 32)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 75497894159.0 1000000000000000000.0))) (let ((.cse0 (select (select |#memory_int| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (_ bv4 32) |~#atanhi_atan~0.base|) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= (select |#valid| (_ bv5 32)) (_ bv1 1)) (= |ULTIMATE.start_isfinite_float_~x#1| |ULTIMATE.start_main_~x~0#1|) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse1 (select (select |#memory_int| |~#atanhi_atan~0.base|) (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))) (= (select |#valid| (_ bv4 32)) (_ bv1 1)) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_main_~y~0#1|))) [2022-07-21 01:55:33,521 INFO L899 garLoopResultBuilder]: For program point L220-3(lines 220 224) no Hoare annotation was computed. [2022-07-21 01:55:33,521 INFO L899 garLoopResultBuilder]: For program point L171(line 171) no Hoare annotation was computed. [2022-07-21 01:55:33,522 INFO L899 garLoopResultBuilder]: For program point L138(lines 138 139) no Hoare annotation was computed. [2022-07-21 01:55:33,522 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-07-21 01:55:33,522 INFO L899 garLoopResultBuilder]: For program point L155-2(line 155) no Hoare annotation was computed. [2022-07-21 01:55:33,522 INFO L895 garLoopResultBuilder]: At program point L139(line 139) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start___ieee754_atan2f_~y#1|)) (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= |~#atanlo_atan~0.base| (_ bv5 32)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 75497894159.0 1000000000000000000.0))) (let ((.cse0 (select (select |#memory_int| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (_ bv4 32) |~#atanhi_atan~0.base|) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (exists ((|ULTIMATE.start___ieee754_atan2f_~hy~0#1| (_ BitVec 32))) (and (= |ULTIMATE.start___ieee754_atan2f_~iy~0#1| (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_atan2f_~hy~0#1|)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_atan2f_~hy~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_atan2f_~hy~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_atan2f_~hy~0#1|)))))) (= (select |#valid| (_ bv5 32)) (_ bv1 1)) (exists ((|ULTIMATE.start___ieee754_atan2f_~hx~1#1| (_ BitVec 32))) (and (= |ULTIMATE.start___ieee754_atan2f_~ix~2#1| (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|)) (exists ((v_arrayElimCell_4 (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) v_arrayElimCell_4) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|)) (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4))))))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_atan2f_~hy~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_atan2f_~hy~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_atan2f_~hy~0#1|)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse1 (select (select |#memory_int| |~#atanhi_atan~0.base|) (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))) (= (select |#valid| (_ bv4 32)) (_ bv1 1)) (= currentRoundingMode roundNearestTiesToEven)) [2022-07-21 01:55:33,522 INFO L899 garLoopResultBuilder]: For program point L139-1(line 139) no Hoare annotation was computed. [2022-07-21 01:55:33,522 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 192) no Hoare annotation was computed. [2022-07-21 01:55:33,522 INFO L899 garLoopResultBuilder]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2022-07-21 01:55:33,522 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 248) no Hoare annotation was computed. [2022-07-21 01:55:33,522 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-07-21 01:55:33,522 INFO L899 garLoopResultBuilder]: For program point L239-2(lines 239 248) no Hoare annotation was computed. [2022-07-21 01:55:33,522 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 01:55:33,522 INFO L899 garLoopResultBuilder]: For program point L157(lines 157 181) no Hoare annotation was computed. [2022-07-21 01:55:33,522 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2022-07-21 01:55:33,522 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2022-07-21 01:55:33,522 INFO L895 garLoopResultBuilder]: At program point L124-2(lines 124 128) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start___ieee754_atan2f_~y#1|)) (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= |~#atanlo_atan~0.base| (_ bv5 32)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 75497894159.0 1000000000000000000.0))) (let ((.cse0 (select (select |#memory_int| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (_ bv4 32) |~#atanhi_atan~0.base|) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (select |#valid| (_ bv4 32))))) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= (bvadd (bvneg (select |#valid| (_ bv5 32))) (_ bv1 1)) (_ bv0 1)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse1 (select (select |#memory_int| |~#atanhi_atan~0.base|) (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6| (_ BitVec 32))) (let ((.cse2 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6|) (_ bv0 32)))) (and (bvslt (bvand (_ bv2147483647 32) .cse2) (_ bv2139095040 32)) (= |ULTIMATE.start___ieee754_atan2f_~x#1| (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))))) [2022-07-21 01:55:33,522 INFO L899 garLoopResultBuilder]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2022-07-21 01:55:33,522 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 180) no Hoare annotation was computed. [2022-07-21 01:55:33,522 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-07-21 01:55:33,522 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 152) no Hoare annotation was computed. [2022-07-21 01:55:33,522 INFO L899 garLoopResultBuilder]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2022-07-21 01:55:33,522 INFO L895 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: false [2022-07-21 01:55:33,522 INFO L899 garLoopResultBuilder]: For program point L159(lines 159 168) no Hoare annotation was computed. [2022-07-21 01:55:33,522 INFO L895 garLoopResultBuilder]: At program point L192-1(line 192) the Hoare annotation is: false [2022-07-21 01:55:33,523 INFO L899 garLoopResultBuilder]: For program point L192-2(line 192) no Hoare annotation was computed. [2022-07-21 01:55:33,523 INFO L899 garLoopResultBuilder]: For program point L143(lines 143 151) no Hoare annotation was computed. [2022-07-21 01:55:33,523 INFO L895 garLoopResultBuilder]: At program point L226(lines 218 227) the Hoare annotation is: (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= |~#atanlo_atan~0.base| (_ bv5 32)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 75497894159.0 1000000000000000000.0))) (let ((.cse0 (select (select |#memory_int| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (_ bv4 32) |~#atanhi_atan~0.base|) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (select |#valid| (_ bv4 32))))) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= (bvadd (bvneg (select |#valid| (_ bv5 32))) (_ bv1 1)) (_ bv0 1)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse1 (select (select |#memory_int| |~#atanhi_atan~0.base|) (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6| (_ BitVec 32))) (let ((.cse3 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6|) (_ bv0 32)))) (and (let ((.cse2 (bvslt (bvand (_ bv2147483647 32) .cse3) (_ bv2139095040 32)))) (or (and (not .cse2) (= |ULTIMATE.start_isfinite_float_#res#1| (_ bv0 32))) (and .cse2 (= |ULTIMATE.start_isfinite_float_#res#1| (_ bv1 32))))) (= |ULTIMATE.start_main_~x~0#1| (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_main_~y~0#1|))) [2022-07-21 01:55:33,523 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 214) no Hoare annotation was computed. [2022-07-21 01:55:33,523 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-07-21 01:55:33,523 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 01:55:33,523 INFO L899 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2022-07-21 01:55:33,523 INFO L899 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2022-07-21 01:55:33,523 INFO L899 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2022-07-21 01:55:33,523 INFO L899 garLoopResultBuilder]: For program point L144-2(line 144) no Hoare annotation was computed. [2022-07-21 01:55:33,523 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-07-21 01:55:33,523 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 247) no Hoare annotation was computed. [2022-07-21 01:55:33,523 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-07-21 01:55:33,523 INFO L899 garLoopResultBuilder]: For program point L162(line 162) no Hoare annotation was computed. [2022-07-21 01:55:33,523 INFO L899 garLoopResultBuilder]: For program point L245(line 245) no Hoare annotation was computed. [2022-07-21 01:55:33,523 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-07-21 01:55:33,523 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-07-21 01:55:33,523 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2022-07-21 01:55:33,523 INFO L895 garLoopResultBuilder]: At program point L130-2(lines 130 134) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start___ieee754_atan2f_~y#1|)) (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= |~#atanlo_atan~0.base| (_ bv5 32)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 75497894159.0 1000000000000000000.0))) (let ((.cse0 (select (select |#memory_int| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6| (_ BitVec 32)) (|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6| (_ BitVec 32))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6|) (_ bv0 32))) (.cse2 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6|) (_ bv0 32)))) (and (bvslt (bvand (_ bv2147483647 32) .cse1) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (= (bvand (_ bv2147483647 32) .cse2) |ULTIMATE.start___ieee754_atan2f_~ix~2#1|)))) (= (_ bv4 32) |~#atanhi_atan~0.base|) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (select |#valid| (_ bv4 32))))) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= (bvadd (bvneg (select |#valid| (_ bv5 32))) (_ bv1 1)) (_ bv0 1)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse3 (select (select |#memory_int| |~#atanhi_atan~0.base|) (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))) (= currentRoundingMode roundNearestTiesToEven)) [2022-07-21 01:55:33,523 INFO L899 garLoopResultBuilder]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2022-07-21 01:55:33,523 INFO L899 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2022-07-21 01:55:33,523 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-07-21 01:55:33,523 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 01:55:33,524 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 245) no Hoare annotation was computed. [2022-07-21 01:55:33,524 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2022-07-21 01:55:33,524 INFO L895 garLoopResultBuilder]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2022-07-21 01:55:33,524 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-07-21 01:55:33,524 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-07-21 01:55:33,524 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 65) no Hoare annotation was computed. [2022-07-21 01:55:33,524 INFO L895 garLoopResultBuilder]: At program point atan_floatENTRY(lines 53 115) the Hoare annotation is: (or (not (= (_ bv4 32) |~#atanhi_atan~0.base|)) (and (= |old(#valid)| |#valid|) (= |old(#memory_int)| |#memory_int|)) (not (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))))) (not (= (let ((.cse0 (select (select |old(#memory_int)| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 75497894159.0 1000000000000000000.0))))) (not (= (_ bv0 1) (bvadd (bvneg (select |old(#valid)| (_ bv4 32))) (_ bv1 1)))) (not (= currentRoundingMode roundNearestTiesToEven)) (not (= |~#atanlo_atan~0.base| (_ bv5 32))) (not (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0))))) (not (= (_ bv0 1) (bvadd (_ bv1 1) (select |old(#valid)| (_ bv5 32))))) (not (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse1 (select (select |old(#memory_int)| |~#atanhi_atan~0.base|) (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))))) [2022-07-21 01:55:33,524 INFO L899 garLoopResultBuilder]: For program point atan_floatFINAL(lines 53 115) no Hoare annotation was computed. [2022-07-21 01:55:33,524 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 74) no Hoare annotation was computed. [2022-07-21 01:55:33,524 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2022-07-21 01:55:33,524 INFO L895 garLoopResultBuilder]: At program point L57-2(lines 57 61) the Hoare annotation is: (or (not (= (_ bv4 32) |~#atanhi_atan~0.base|)) (not (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))))) (not (= (let ((.cse0 (select (select |old(#memory_int)| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 75497894159.0 1000000000000000000.0))))) (and (= |old(#valid)| |#valid|) (= |atan_float_#in~x| atan_float_~x) (= |old(#memory_int)| |#memory_int|)) (not (= (_ bv0 1) (bvadd (bvneg (select |old(#valid)| (_ bv4 32))) (_ bv1 1)))) (not (= currentRoundingMode roundNearestTiesToEven)) (not (= |~#atanlo_atan~0.base| (_ bv5 32))) (not (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0))))) (not (= (_ bv0 1) (bvadd (_ bv1 1) (select |old(#valid)| (_ bv5 32))))) (not (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse1 (select (select |old(#memory_int)| |~#atanhi_atan~0.base|) (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))))) [2022-07-21 01:55:33,524 INFO L899 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2022-07-21 01:55:33,524 INFO L895 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: (or (not (= (_ bv4 32) |~#atanhi_atan~0.base|)) (and (exists ((atan_float_~hx~0 (_ BitVec 32))) (and (not (bvsge (bvand (_ bv2147483647 32) atan_float_~hx~0) (_ bv1350565888 32))) (= |atan_float_#in~x| (fp ((_ extract 31 31) atan_float_~hx~0) ((_ extract 30 23) atan_float_~hx~0) ((_ extract 22 0) atan_float_~hx~0))))) (= |atan_float_#in~x| atan_float_~x) (exists ((v_ArrVal_173 (Array (_ BitVec 32) (_ BitVec 32))) (|v_atan_float_~#gf_u~1.base_9| (_ BitVec 32))) (and (= (_ bv0 1) (select |old(#valid)| |v_atan_float_~#gf_u~1.base_9|)) (= (store |old(#memory_int)| |v_atan_float_~#gf_u~1.base_9| v_ArrVal_173) |#memory_int|))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (select |#valid| (_ bv4 32))))) (= (bvadd (bvneg (select |#valid| (_ bv5 32))) (_ bv1 1)) (_ bv0 1)) (= |atan_float_#in~x| (fp ((_ extract 31 31) atan_float_~hx~0) ((_ extract 30 23) atan_float_~hx~0) ((_ extract 22 0) atan_float_~hx~0)))) (not (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))))) (not (= (let ((.cse0 (select (select |old(#memory_int)| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 75497894159.0 1000000000000000000.0))))) (not (= (_ bv0 1) (bvadd (bvneg (select |old(#valid)| (_ bv4 32))) (_ bv1 1)))) (not (= currentRoundingMode roundNearestTiesToEven)) (not (= |~#atanlo_atan~0.base| (_ bv5 32))) (not (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0))))) (not (= (_ bv0 1) (bvadd (_ bv1 1) (select |old(#valid)| (_ bv5 32))))) (not (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse1 (select (select |old(#memory_int)| |~#atanhi_atan~0.base|) (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))))) [2022-07-21 01:55:33,524 INFO L899 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2022-07-21 01:55:33,524 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 69) no Hoare annotation was computed. [2022-07-21 01:55:33,524 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 95) no Hoare annotation was computed. [2022-07-21 01:55:33,524 INFO L899 garLoopResultBuilder]: For program point L71(lines 71 96) no Hoare annotation was computed. [2022-07-21 01:55:33,524 INFO L899 garLoopResultBuilder]: For program point atan_floatEXIT(lines 53 115) no Hoare annotation was computed. [2022-07-21 01:55:33,524 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 70) no Hoare annotation was computed. [2022-07-21 01:55:33,524 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 94) no Hoare annotation was computed. [2022-07-21 01:55:33,524 INFO L899 garLoopResultBuilder]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2022-07-21 01:55:33,524 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-07-21 01:55:33,525 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 86) no Hoare annotation was computed. [2022-07-21 01:55:33,525 INFO L899 garLoopResultBuilder]: For program point L113-2(line 113) no Hoare annotation was computed. [2022-07-21 01:55:33,525 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 114) no Hoare annotation was computed. [2022-07-21 01:55:33,525 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 75) no Hoare annotation was computed. [2022-07-21 01:55:33,525 INFO L899 garLoopResultBuilder]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2022-07-21 01:55:33,527 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:55:33,530 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 01:55:33,540 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,541 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,541 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,541 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,541 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,541 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,541 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,541 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,550 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,550 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,551 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,551 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,551 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,551 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,551 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,551 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,560 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,562 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,562 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,563 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,563 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,564 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,564 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,565 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,565 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,566 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,566 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,566 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,566 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,566 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,567 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,568 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,568 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,568 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,569 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,569 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,569 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,569 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,570 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,572 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,576 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,576 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,580 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,580 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] [2022-07-21 01:55:33,580 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] [2022-07-21 01:55:33,580 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] [2022-07-21 01:55:33,581 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,581 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,581 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,581 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] [2022-07-21 01:55:33,581 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,582 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,582 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,583 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,583 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] [2022-07-21 01:55:33,583 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] [2022-07-21 01:55:33,583 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] [2022-07-21 01:55:33,583 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,583 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,583 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,583 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] [2022-07-21 01:55:33,584 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,585 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,585 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,585 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,586 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,586 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,586 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:55:33 BoogieIcfgContainer [2022-07-21 01:55:33,587 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 01:55:33,588 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 01:55:33,588 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 01:55:33,588 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 01:55:33,588 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:53:13" (3/4) ... [2022-07-21 01:55:33,590 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 01:55:33,594 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2022-07-21 01:55:33,594 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2022-07-21 01:55:33,600 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2022-07-21 01:55:33,600 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-07-21 01:55:33,601 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-07-21 01:55:33,601 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 01:55:33,632 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)) && atanlo_atan == 5bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && 4bv32 == atanhi_atan) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && \valid[5bv32] == 1bv1) && x == x) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && \valid[4bv32] == 1bv1) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) [2022-07-21 01:55:33,632 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)) && atanlo_atan == 5bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && 4bv32 == atanhi_atan) && 0bv1 == ~bvadd64(1bv1, ~bvneg64(\valid[4bv32]))) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~bvadd64(~bvneg64(\valid[5bv32]), 1bv1) == 0bv1) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6 : bv32 :: ((!~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32]), 2139095040bv32) && \result == 0bv32) || (~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32]), 2139095040bv32) && \result == 1bv32)) && x == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) [2022-07-21 01:55:33,632 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) && tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000))) && atanlo_atan == 5bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && 4bv32 == atanhi_atan) && 0bv1 == ~bvadd64(1bv1, ~bvneg64(\valid[4bv32]))) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~bvadd64(~bvneg64(\valid[5bv32]), 1bv1) == 0bv1) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6 : bv32 :: ~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32]), 2139095040bv32) && x == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][22:0])) [2022-07-21 01:55:33,633 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) && tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000))) && atanlo_atan == 5bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6 : bv32, v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6 : bv32 :: (~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32]), 2139095040bv32) && ~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~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][22:0])) && ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32]) == ix)) && 4bv32 == atanhi_atan) && 0bv1 == ~bvadd64(1bv1, ~bvneg64(\valid[4bv32]))) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~bvadd64(~bvneg64(\valid[5bv32]), 1bv1) == 0bv1) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-07-21 01:55:33,633 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_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi_o_2), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result [2022-07-21 01:55:33,633 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(4bv32 == atanhi_atan) || !(tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)))) || !(~fp~LONGDOUBLE(\old(unknown-#memory_int-unknown)[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], \old(unknown-#memory_int-unknown)[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], \old(unknown-#memory_int-unknown)[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0]) == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)))) || ((\old(\valid) == \valid && \old(x) == x) && \old(unknown-#memory_int-unknown) == unknown-#memory_int-unknown)) || !(0bv1 == ~bvadd64(~bvneg64(\old(\valid)[4bv32]), 1bv1))) || !(unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven)) || !(atanlo_atan == 5bv32)) || !(pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000)))) || !(0bv1 == ~bvadd64(1bv1, \old(\valid)[5bv32]))) || !(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(\old(unknown-#memory_int-unknown)[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], \old(unknown-#memory_int-unknown)[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], \old(unknown-#memory_int-unknown)[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) [2022-07-21 01:55:33,657 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 01:55:33,658 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 01:55:33,658 INFO L158 Benchmark]: Toolchain (without parser) took 151746.28ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 38.9MB in the beginning and 58.0MB in the end (delta: -19.1MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2022-07-21 01:55:33,658 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 46.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:55:33,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.67ms. Allocated memory is still 60.8MB. Free memory was 38.7MB in the beginning and 39.3MB in the end (delta: -677.8kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-21 01:55:33,659 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.31ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 36.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-21 01:55:33,659 INFO L158 Benchmark]: Boogie Preprocessor took 29.20ms. Allocated memory is still 60.8MB. Free memory was 36.8MB in the beginning and 34.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 01:55:33,659 INFO L158 Benchmark]: RCFGBuilder took 11602.90ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 34.1MB in the beginning and 43.2MB in the end (delta: -9.1MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2022-07-21 01:55:33,659 INFO L158 Benchmark]: TraceAbstraction took 139653.64ms. Allocated memory is still 81.8MB. Free memory was 42.7MB in the beginning and 23.9MB in the end (delta: 18.8MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2022-07-21 01:55:33,660 INFO L158 Benchmark]: Witness Printer took 70.16ms. Allocated memory is still 81.8MB. Free memory was 23.9MB in the beginning and 58.0MB in the end (delta: -34.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-21 01:55:33,661 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 60.8MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 46.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.67ms. Allocated memory is still 60.8MB. Free memory was 38.7MB in the beginning and 39.3MB in the end (delta: -677.8kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.31ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 36.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.20ms. Allocated memory is still 60.8MB. Free memory was 36.8MB in the beginning and 34.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 11602.90ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 34.1MB in the beginning and 43.2MB in the end (delta: -9.1MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * TraceAbstraction took 139653.64ms. Allocated memory is still 81.8MB. Free memory was 42.7MB in the beginning and 23.9MB in the end (delta: 18.8MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * Witness Printer took 70.16ms. Allocated memory is still 81.8MB. Free memory was 23.9MB in the beginning and 58.0MB in the end (delta: -34.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - 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_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#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_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#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[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_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#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_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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_isfinite_float_~#gf_u~5#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[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_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#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 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[v_ULTIMATE.start_isfinite_float_~#gf_u~5#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[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_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#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 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[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] * 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: 245]: 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, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 139.5s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 93.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 27 mSolverCounterUnknown, 379 SdHoareTripleChecker+Valid, 88.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 364 mSDsluCounter, 5125 SdHoareTripleChecker+Invalid, 86.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 396 IncrementalHoareTripleChecker+Unchecked, 4029 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 295 IncrementalHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 1096 mSDtfsCounter, 295 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 311 GetRequests, 231 SyntacticMatches, 3 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 14.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, InterpolantAutomatonStates: 90, 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, 13 MinimizatonAttempts, 23 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 46 PreInvPairs, 58 NumberOfFragments, 1202 HoareAnnotationTreeSize, 46 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 1155 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 9.4s SatisfiabilityAnalysisTime, 26.4s InterpolantComputationTime, 309 NumberOfCodeBlocks, 309 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 296 ConstructedInterpolants, 156 QuantifiedInterpolants, 5366 SizeOfPredicates, 94 NumberOfNonLiveVariables, 1835 ConjunctsInSsa, 167 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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: 218]: Loop Invariant [2022-07-21 01:55:33,686 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,686 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,686 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,686 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,686 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,686 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,686 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,687 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,687 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,687 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,687 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,687 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,687 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,688 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,688 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,688 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((((((((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && atanlo_atan == 5bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && 4bv32 == atanhi_atan) && 0bv1 == ~bvadd64(1bv1, ~bvneg64(\valid[4bv32]))) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~bvadd64(~bvneg64(\valid[5bv32]), 1bv1) == 0bv1) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6 : bv32 :: ((!~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32]), 2139095040bv32) && \result == 0bv32) || (~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32]), 2139095040bv32) && \result == 1bv32)) && x == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) - InvariantResult [Line: 124]: Loop Invariant [2022-07-21 01:55:33,688 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,688 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,688 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,688 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,688 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,688 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,688 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,689 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,689 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,689 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,689 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,689 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,689 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,689 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] Derived loop invariant: ((((((((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) && tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000))) && atanlo_atan == 5bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && 4bv32 == atanhi_atan) && 0bv1 == ~bvadd64(1bv1, ~bvneg64(\valid[4bv32]))) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~bvadd64(~bvneg64(\valid[5bv32]), 1bv1) == 0bv1) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6 : bv32 :: ~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32]), 2139095040bv32) && x == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][22:0])) - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 120]: Loop Invariant [2022-07-21 01:55:33,690 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,690 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,690 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,690 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,690 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,690 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,690 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,690 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_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi_o_2), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant [2022-07-21 01:55:33,690 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,692 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((((!(4bv32 == atanhi_atan) || !(tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)))) || !(~fp~LONGDOUBLE(\old(unknown-#memory_int-unknown)[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], \old(unknown-#memory_int-unknown)[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], \old(unknown-#memory_int-unknown)[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0]) == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)))) || ((\old(\valid) == \valid && \old(x) == x) && \old(unknown-#memory_int-unknown) == unknown-#memory_int-unknown)) || !(0bv1 == ~bvadd64(~bvneg64(\old(\valid)[4bv32]), 1bv1))) || !(unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven)) || !(atanlo_atan == 5bv32)) || !(pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000)))) || !(0bv1 == ~bvadd64(1bv1, \old(\valid)[5bv32]))) || !(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(\old(unknown-#memory_int-unknown)[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], \old(unknown-#memory_int-unknown)[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], \old(unknown-#memory_int-unknown)[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) - InvariantResult [Line: 130]: Loop Invariant [2022-07-21 01:55:33,692 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,693 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,693 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,693 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] [2022-07-21 01:55:33,693 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] [2022-07-21 01:55:33,693 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] [2022-07-21 01:55:33,693 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,693 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,693 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,693 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] [2022-07-21 01:55:33,694 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,694 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,694 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,695 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,695 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] [2022-07-21 01:55:33,695 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] [2022-07-21 01:55:33,695 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] [2022-07-21 01:55:33,695 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,695 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,695 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2022-07-21 01:55:33,695 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] [2022-07-21 01:55:33,696 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) && tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000))) && atanlo_atan == 5bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6 : bv32, v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6 : bv32 :: (~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32]), 2139095040bv32) && ~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~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][22:0])) && ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32]) == ix)) && 4bv32 == atanhi_atan) && 0bv1 == ~bvadd64(1bv1, ~bvneg64(\valid[4bv32]))) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~bvadd64(~bvneg64(\valid[5bv32]), 1bv1) == 0bv1) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 220]: Loop Invariant [2022-07-21 01:55:33,696 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,696 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,696 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,697 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:55:33,697 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:55:33,697 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((((((((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && atanlo_atan == 5bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && 4bv32 == atanhi_atan) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && \valid[5bv32] == 1bv1) && x == x) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && \valid[4bv32] == 1bv1) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) RESULT: Ultimate proved your program to be correct! [2022-07-21 01:55:33,887 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE