/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/float-newlib/double_req_bl_0682b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 03:45:27,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 03:45:27,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 03:45:27,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 03:45:27,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 03:45:27,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 03:45:27,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 03:45:27,901 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 03:45:27,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 03:45:27,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 03:45:27,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 03:45:27,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 03:45:27,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 03:45:27,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 03:45:27,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 03:45:27,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 03:45:27,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 03:45:27,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 03:45:27,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 03:45:27,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 03:45:27,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 03:45:27,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 03:45:27,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 03:45:27,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 03:45:27,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 03:45:27,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 03:45:27,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 03:45:27,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 03:45:27,965 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 03:45:28,027 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 03:45:28,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 03:45:28,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 03:45:28,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 03:45:28,035 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 03:45:28,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 03:45:28,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 03:45:28,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 03:45:28,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 03:45:28,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 03:45:28,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 03:45:28,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 03:45:28,038 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 03:45:28,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 03:45:28,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 03:45:28,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 03:45:28,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 03:45:28,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 03:45:28,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 03:45:28,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 03:45:28,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 03:45:28,041 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 03:45:28,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 03:45:28,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 03:45:28,042 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 03:45:28,042 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 03:45:28,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 03:45:28,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 03:45:28,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 03:45:28,586 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 03:45:28,587 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 03:45:28,588 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2020-12-22 03:45:28,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42196cfc2/efc3b5a260d84daea6a402d4f3a4e057/FLAG486f157db [2020-12-22 03:45:29,305 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 03:45:29,305 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2020-12-22 03:45:29,325 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42196cfc2/efc3b5a260d84daea6a402d4f3a4e057/FLAG486f157db [2020-12-22 03:45:29,614 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42196cfc2/efc3b5a260d84daea6a402d4f3a4e057 [2020-12-22 03:45:29,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 03:45:29,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 03:45:29,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 03:45:29,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 03:45:29,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 03:45:29,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:45:29" (1/1) ... [2020-12-22 03:45:29,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e7ebbfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:45:29, skipping insertion in model container [2020-12-22 03:45:29,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:45:29" (1/1) ... [2020-12-22 03:45:29,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 03:45:29,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 03:45:29,910 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0682b.c[6873,6886] [2020-12-22 03:45:29,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 03:45:29,925 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 03:45:29,988 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0682b.c[6873,6886] [2020-12-22 03:45:29,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 03:45:30,022 INFO L208 MainTranslator]: Completed translation [2020-12-22 03:45:30,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:45:30 WrapperNode [2020-12-22 03:45:30,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 03:45:30,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 03:45:30,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 03:45:30,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 03:45:30,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:45:30" (1/1) ... [2020-12-22 03:45:30,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:45:30" (1/1) ... [2020-12-22 03:45:30,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 03:45:30,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 03:45:30,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 03:45:30,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 03:45:30,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:45:30" (1/1) ... [2020-12-22 03:45:30,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:45:30" (1/1) ... [2020-12-22 03:45:30,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:45:30" (1/1) ... [2020-12-22 03:45:30,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:45:30" (1/1) ... [2020-12-22 03:45:30,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:45:30" (1/1) ... [2020-12-22 03:45:30,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:45:30" (1/1) ... [2020-12-22 03:45:30,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:45:30" (1/1) ... [2020-12-22 03:45:30,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 03:45:30,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 03:45:30,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 03:45:30,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 03:45:30,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:45:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 03:45:30,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 03:45:30,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 03:45:30,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-22 03:45:30,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 03:45:30,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-22 03:45:30,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 03:45:30,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 03:45:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 03:45:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-22 03:45:30,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 03:45:31,348 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 03:45:31,349 INFO L299 CfgBuilder]: Removed 52 assume(true) statements. [2020-12-22 03:45:31,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:45:31 BoogieIcfgContainer [2020-12-22 03:45:31,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 03:45:31,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 03:45:31,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 03:45:31,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 03:45:31,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:45:29" (1/3) ... [2020-12-22 03:45:31,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@276dad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:45:31, skipping insertion in model container [2020-12-22 03:45:31,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:45:30" (2/3) ... [2020-12-22 03:45:31,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@276dad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:45:31, skipping insertion in model container [2020-12-22 03:45:31,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:45:31" (3/3) ... [2020-12-22 03:45:31,362 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0682b.c [2020-12-22 03:45:31,369 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 03:45:31,375 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-22 03:45:31,397 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-22 03:45:31,427 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 03:45:31,428 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 03:45:31,428 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 03:45:31,428 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 03:45:31,428 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 03:45:31,428 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 03:45:31,428 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 03:45:31,428 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 03:45:31,448 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-12-22 03:45:31,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-22 03:45:31,454 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 03:45:31,455 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 03:45:31,455 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 03:45:31,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 03:45:31,462 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2020-12-22 03:45:31,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 03:45:31,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905371134] [2020-12-22 03:45:31,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 03:45:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 03:45:31,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 03:45:31,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905371134] [2020-12-22 03:45:31,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 03:45:31,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 03:45:31,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584992657] [2020-12-22 03:45:31,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 03:45:31,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 03:45:31,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 03:45:31,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 03:45:31,681 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2020-12-22 03:45:31,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 03:45:31,722 INFO L93 Difference]: Finished difference Result 246 states and 412 transitions. [2020-12-22 03:45:31,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 03:45:31,723 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-12-22 03:45:31,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 03:45:31,737 INFO L225 Difference]: With dead ends: 246 [2020-12-22 03:45:31,737 INFO L226 Difference]: Without dead ends: 120 [2020-12-22 03:45:31,741 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 03:45:31,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-12-22 03:45:31,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-12-22 03:45:31,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-12-22 03:45:31,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2020-12-22 03:45:31,793 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 15 [2020-12-22 03:45:31,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 03:45:31,794 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2020-12-22 03:45:31,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 03:45:31,794 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2020-12-22 03:45:31,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 03:45:31,795 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 03:45:31,795 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 03:45:31,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 03:45:31,796 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 03:45:31,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 03:45:31,797 INFO L82 PathProgramCache]: Analyzing trace with hash -397782484, now seen corresponding path program 1 times [2020-12-22 03:45:31,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 03:45:31,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59668078] [2020-12-22 03:45:31,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 03:45:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 03:45:31,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 03:45:31,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59668078] [2020-12-22 03:45:31,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 03:45:31,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 03:45:31,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464957666] [2020-12-22 03:45:31,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 03:45:31,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 03:45:31,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 03:45:31,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 03:45:31,940 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand 3 states. [2020-12-22 03:45:31,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 03:45:31,983 INFO L93 Difference]: Finished difference Result 229 states and 326 transitions. [2020-12-22 03:45:31,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 03:45:31,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-12-22 03:45:31,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 03:45:31,986 INFO L225 Difference]: With dead ends: 229 [2020-12-22 03:45:31,986 INFO L226 Difference]: Without dead ends: 120 [2020-12-22 03:45:31,988 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 03:45:31,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-12-22 03:45:32,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-12-22 03:45:32,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-12-22 03:45:32,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2020-12-22 03:45:32,011 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 18 [2020-12-22 03:45:32,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 03:45:32,011 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2020-12-22 03:45:32,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 03:45:32,012 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2020-12-22 03:45:32,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 03:45:32,013 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 03:45:32,013 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 03:45:32,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 03:45:32,014 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 03:45:32,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 03:45:32,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1006577033, now seen corresponding path program 1 times [2020-12-22 03:45:32,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 03:45:32,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718457241] [2020-12-22 03:45:32,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 03:45:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 03:45:32,314 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 03:45:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 03:45:32,549 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 03:45:32,589 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 03:45:32,589 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 03:45:32,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 03:45:32,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 03:45:32 BoogieIcfgContainer [2020-12-22 03:45:32,677 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 03:45:32,678 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 03:45:32,678 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 03:45:32,679 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 03:45:32,679 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:45:31" (3/4) ... [2020-12-22 03:45:32,685 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-22 03:45:32,686 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 03:45:32,694 INFO L168 Benchmark]: Toolchain (without parser) took 3071.27 ms. Allocated memory was 151.0 MB in the beginning and 206.6 MB in the end (delta: 55.6 MB). Free memory was 124.6 MB in the beginning and 163.2 MB in the end (delta: -38.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 8.0 GB. [2020-12-22 03:45:32,696 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 132.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 03:45:32,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.26 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 109.5 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-12-22 03:45:32,699 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.99 ms. Allocated memory is still 151.0 MB. Free memory was 109.5 MB in the beginning and 105.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 03:45:32,705 INFO L168 Benchmark]: Boogie Preprocessor took 178.73 ms. Allocated memory is still 151.0 MB. Free memory was 105.7 MB in the beginning and 129.7 MB in the end (delta: -24.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 8.0 GB. [2020-12-22 03:45:32,707 INFO L168 Benchmark]: RCFGBuilder took 1044.28 ms. Allocated memory is still 151.0 MB. Free memory was 129.7 MB in the beginning and 112.6 MB in the end (delta: 17.1 MB). Peak memory consumption was 42.3 MB. Max. memory is 8.0 GB. [2020-12-22 03:45:32,710 INFO L168 Benchmark]: TraceAbstraction took 1323.82 ms. Allocated memory was 151.0 MB in the beginning and 206.6 MB in the end (delta: 55.6 MB). Free memory was 112.6 MB in the beginning and 163.7 MB in the end (delta: -51.1 MB). Peak memory consumption was 55.6 MB. Max. memory is 8.0 GB. [2020-12-22 03:45:32,710 INFO L168 Benchmark]: Witness Printer took 10.87 ms. Allocated memory is still 206.6 MB. Free memory was 163.7 MB in the beginning and 163.2 MB in the end (delta: 522.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 03:45:32,721 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 132.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 401.26 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 109.5 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 101.99 ms. Allocated memory is still 151.0 MB. Free memory was 109.5 MB in the beginning and 105.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 178.73 ms. Allocated memory is still 151.0 MB. Free memory was 105.7 MB in the beginning and 129.7 MB in the end (delta: -24.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1044.28 ms. Allocated memory is still 151.0 MB. Free memory was 129.7 MB in the beginning and 112.6 MB in the end (delta: 17.1 MB). Peak memory consumption was 42.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1323.82 ms. Allocated memory was 151.0 MB in the beginning and 206.6 MB in the end (delta: 55.6 MB). Free memory was 112.6 MB in the beginning and 163.7 MB in the end (delta: -51.1 MB). Peak memory consumption was 55.6 MB. Max. memory is 8.0 GB. * Witness Printer took 10.87 ms. Allocated memory is still 206.6 MB. Free memory was 163.7 MB in the beginning and 163.2 MB in the end (delta: 522.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 287]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 286. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L278] double x = -1.0 / 0.0; [L279] double y = __VERIFIER_nondet_double(); [L248] __int32_t hx, lx; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L250] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff [L256] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L257] hx = 0x7ff00000 - hx [L258] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L281] EXPR isinf_double(x) && isfinite_double(y) [L262] __int32_t hx; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L264] ieee_double_shape_type gh_u; [L265] gh_u.value = (x) [L266] EXPR gh_u.parts.msw [L266] (hx) = gh_u.parts.msw [L268] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L281] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L281] COND TRUE isinf_double(x) && isfinite_double(y) && y > 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L283] double res = __ieee754_atan2(y, x); [L286] COND TRUE res != pi VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L287] reach_error() VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 124 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 343 SDtfs, 0 SDslu, 163 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 502 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 Received shutdown request...