/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1230.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 16:10:51,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 16:10:51,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 16:10:51,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 16:10:51,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 16:10:51,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 16:10:51,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 16:10:51,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 16:10:51,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 16:10:51,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 16:10:51,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 16:10:51,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 16:10:51,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 16:10:51,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 16:10:51,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 16:10:51,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 16:10:51,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 16:10:51,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 16:10:51,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 16:10:51,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 16:10:51,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 16:10:51,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 16:10:51,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 16:10:51,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 16:10:51,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 16:10:51,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 16:10:51,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 16:10:51,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 16:10:51,462 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 16:10:51,480 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 16:10:51,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 16:10:51,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 16:10:51,483 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 16:10:51,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 16:10:51,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 16:10:51,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 16:10:51,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 16:10:51,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 16:10:51,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 16:10:51,485 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 16:10:51,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 16:10:51,486 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 16:10:51,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 16:10:51,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 16:10:51,487 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 16:10:51,487 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 16:10:51,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 16:10:51,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 16:10:51,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 16:10:51,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 16:10:51,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 16:10:51,488 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 16:10:51,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 16:10:51,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 16:10:51,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 16:10:51,930 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 16:10:51,931 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 16:10:51,932 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1230.c [2020-09-04 16:10:52,023 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f96af20bb/667585d2791946ed9e678d4807f83ecc/FLAG30a2edd52 [2020-09-04 16:10:52,538 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 16:10:52,538 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/double_req_bl_1230.c [2020-09-04 16:10:52,546 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f96af20bb/667585d2791946ed9e678d4807f83ecc/FLAG30a2edd52 [2020-09-04 16:10:52,898 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f96af20bb/667585d2791946ed9e678d4807f83ecc [2020-09-04 16:10:52,911 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 16:10:52,913 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 16:10:52,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 16:10:52,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 16:10:52,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 16:10:52,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:10:52" (1/1) ... [2020-09-04 16:10:52,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d48d131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:10:52, skipping insertion in model container [2020-09-04 16:10:52,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:10:52" (1/1) ... [2020-09-04 16:10:52,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 16:10:52,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 16:10:53,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:10:53,198 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 16:10:53,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:10:53,251 INFO L208 MainTranslator]: Completed translation [2020-09-04 16:10:53,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:10:53 WrapperNode [2020-09-04 16:10:53,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 16:10:53,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 16:10:53,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 16:10:53,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 16:10:53,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:10:53" (1/1) ... [2020-09-04 16:10:53,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:10:53" (1/1) ... [2020-09-04 16:10:53,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:10:53" (1/1) ... [2020-09-04 16:10:53,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:10:53" (1/1) ... [2020-09-04 16:10:53,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:10:53" (1/1) ... [2020-09-04 16:10:53,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:10:53" (1/1) ... [2020-09-04 16:10:53,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:10:53" (1/1) ... [2020-09-04 16:10:53,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 16:10:53,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 16:10:53,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 16:10:53,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 16:10:53,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:10:53" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 16:10:53,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 16:10:53,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 16:10:53,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-09-04 16:10:53,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2020-09-04 16:10:53,451 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_double [2020-09-04 16:10:53,451 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 16:10:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 16:10:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-09-04 16:10:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-09-04 16:10:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2020-09-04 16:10:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 16:10:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-09-04 16:10:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 16:10:53,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 16:10:53,453 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_double [2020-09-04 16:10:53,453 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 16:10:53,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 16:10:53,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 16:10:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 16:10:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-09-04 16:10:53,888 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 16:10:53,888 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-09-04 16:10:53,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:10:53 BoogieIcfgContainer [2020-09-04 16:10:53,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 16:10:53,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 16:10:53,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 16:10:53,899 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 16:10:53,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 04:10:52" (1/3) ... [2020-09-04 16:10:53,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68eaa3d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:10:53, skipping insertion in model container [2020-09-04 16:10:53,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:10:53" (2/3) ... [2020-09-04 16:10:53,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68eaa3d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:10:53, skipping insertion in model container [2020-09-04 16:10:53,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:10:53" (3/3) ... [2020-09-04 16:10:53,903 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1230.c [2020-09-04 16:10:53,915 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 16:10:53,925 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 16:10:53,947 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 16:10:53,974 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 16:10:53,974 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 16:10:53,975 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 16:10:53,975 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 16:10:53,975 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 16:10:53,975 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 16:10:53,975 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 16:10:53,975 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 16:10:53,992 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2020-09-04 16:10:54,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-04 16:10:54,005 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:10:54,006 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:10:54,006 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:10:54,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:10:54,013 INFO L82 PathProgramCache]: Analyzing trace with hash 6613302, now seen corresponding path program 1 times [2020-09-04 16:10:54,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:10:54,023 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1273622566] [2020-09-04 16:10:54,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:10:54,094 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:10:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:10:54,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:10:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:10:54,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-04 16:10:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:10:54,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:10:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:10:54,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-04 16:10:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:10:54,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 16:10:54,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1273622566] [2020-09-04 16:10:54,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:10:54,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 16:10:54,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402900524] [2020-09-04 16:10:54,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 16:10:54,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:10:54,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 16:10:54,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-04 16:10:54,353 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 4 states. [2020-09-04 16:10:54,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:10:54,596 INFO L93 Difference]: Finished difference Result 144 states and 165 transitions. [2020-09-04 16:10:54,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 16:10:54,598 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2020-09-04 16:10:54,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:10:54,611 INFO L225 Difference]: With dead ends: 144 [2020-09-04 16:10:54,612 INFO L226 Difference]: Without dead ends: 72 [2020-09-04 16:10:54,617 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-04 16:10:54,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-09-04 16:10:54,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-09-04 16:10:54,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-09-04 16:10:54,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 79 transitions. [2020-09-04 16:10:54,683 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 79 transitions. Word has length 38 [2020-09-04 16:10:54,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:10:54,683 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 79 transitions. [2020-09-04 16:10:54,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 16:10:54,684 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2020-09-04 16:10:54,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-04 16:10:54,687 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:10:54,687 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, 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] [2020-09-04 16:10:54,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 16:10:54,688 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:10:54,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:10:54,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1569895040, now seen corresponding path program 1 times [2020-09-04 16:10:54,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:10:54,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1598208295] [2020-09-04 16:10:54,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:10:54,692 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:10:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:10:54,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:10:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:10:54,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-04 16:10:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:10:54,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:10:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:10:54,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-04 16:10:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:10:54,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 16:10:54,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1598208295] [2020-09-04 16:10:54,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:10:54,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-04 16:10:54,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390168413] [2020-09-04 16:10:54,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-04 16:10:54,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:10:54,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-04 16:10:54,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-04 16:10:54,971 INFO L87 Difference]: Start difference. First operand 72 states and 79 transitions. Second operand 6 states. [2020-09-04 16:10:55,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:10:55,258 INFO L93 Difference]: Finished difference Result 93 states and 101 transitions. [2020-09-04 16:10:55,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-04 16:10:55,259 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2020-09-04 16:10:55,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:10:55,267 INFO L225 Difference]: With dead ends: 93 [2020-09-04 16:10:55,268 INFO L226 Difference]: Without dead ends: 77 [2020-09-04 16:10:55,271 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-04 16:10:55,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-09-04 16:10:55,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76. [2020-09-04 16:10:55,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-09-04 16:10:55,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 84 transitions. [2020-09-04 16:10:55,304 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 84 transitions. Word has length 52 [2020-09-04 16:10:55,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:10:55,304 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 84 transitions. [2020-09-04 16:10:55,304 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-04 16:10:55,305 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2020-09-04 16:10:55,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-04 16:10:55,308 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:10:55,308 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, 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, 1, 1, 1] [2020-09-04 16:10:55,309 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 16:10:55,309 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:10:55,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:10:55,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1915658490, now seen corresponding path program 1 times [2020-09-04 16:10:55,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:10:55,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1985940545] [2020-09-04 16:10:55,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:10:55,318 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:10:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:10:55,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:10:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:10:55,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-04 16:10:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:10:55,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:10:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:10:55,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:10:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:10:55,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 16:10:55,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1985940545] [2020-09-04 16:10:55,503 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:10:55,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-04 16:10:55,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232004411] [2020-09-04 16:10:55,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-04 16:10:55,504 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:10:55,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-04 16:10:55,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-04 16:10:55,505 INFO L87 Difference]: Start difference. First operand 76 states and 84 transitions. Second operand 6 states. [2020-09-04 16:10:55,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:10:55,682 INFO L93 Difference]: Finished difference Result 97 states and 106 transitions. [2020-09-04 16:10:55,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-04 16:10:55,682 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2020-09-04 16:10:55,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:10:55,684 INFO L225 Difference]: With dead ends: 97 [2020-09-04 16:10:55,685 INFO L226 Difference]: Without dead ends: 81 [2020-09-04 16:10:55,685 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-04 16:10:55,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-09-04 16:10:55,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 76. [2020-09-04 16:10:55,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-09-04 16:10:55,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 84 transitions. [2020-09-04 16:10:55,698 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 84 transitions. Word has length 55 [2020-09-04 16:10:55,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:10:55,699 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 84 transitions. [2020-09-04 16:10:55,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-04 16:10:55,699 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2020-09-04 16:10:55,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-04 16:10:55,701 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:10:55,701 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, 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, 1, 1, 1] [2020-09-04 16:10:55,701 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 16:10:55,701 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:10:55,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:10:55,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1520711866, now seen corresponding path program 1 times [2020-09-04 16:10:55,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:10:55,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1421663184] [2020-09-04 16:10:55,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:10:55,704 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:10:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 16:10:55,728 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 16:10:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 16:10:55,748 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 16:10:55,790 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 16:10:55,791 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 16:10:55,791 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 16:10:55,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 04:10:55 BoogieIcfgContainer [2020-09-04 16:10:55,824 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 16:10:55,829 INFO L168 Benchmark]: Toolchain (without parser) took 2913.96 ms. Allocated memory was 140.5 MB in the beginning and 233.8 MB in the end (delta: 93.3 MB). Free memory was 103.7 MB in the beginning and 115.7 MB in the end (delta: -12.1 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. [2020-09-04 16:10:55,831 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 140.5 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-09-04 16:10:55,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.94 ms. Allocated memory is still 140.5 MB. Free memory was 103.4 MB in the beginning and 92.5 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2020-09-04 16:10:55,833 INFO L168 Benchmark]: Boogie Preprocessor took 125.04 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 92.5 MB in the beginning and 181.8 MB in the end (delta: -89.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2020-09-04 16:10:55,835 INFO L168 Benchmark]: RCFGBuilder took 516.37 ms. Allocated memory is still 204.5 MB. Free memory was 181.8 MB in the beginning and 160.4 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2020-09-04 16:10:55,838 INFO L168 Benchmark]: TraceAbstraction took 1929.13 ms. Allocated memory was 204.5 MB in the beginning and 233.8 MB in the end (delta: 29.4 MB). Free memory was 159.8 MB in the beginning and 115.7 MB in the end (delta: 44.1 MB). Peak memory consumption was 73.4 MB. Max. memory is 7.1 GB. [2020-09-04 16:10:55,844 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 140.5 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 337.94 ms. Allocated memory is still 140.5 MB. Free memory was 103.4 MB in the beginning and 92.5 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.04 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 92.5 MB in the beginning and 181.8 MB in the end (delta: -89.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 516.37 ms. Allocated memory is still 204.5 MB. Free memory was 181.8 MB in the beginning and 160.4 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1929.13 ms. Allocated memory was 204.5 MB in the beginning and 233.8 MB in the end (delta: 29.4 MB). Free memory was 159.8 MB in the beginning and 115.7 MB in the end (delta: 44.1 MB). Peak memory consumption was 73.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 66]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 16, overapproximation of someBinaryArithmeticDOUBLEoperation at line 62. Possible FailurePath: [L61] double x = 0.0 / 0.0; [L62] double y = 0.0 / 0.0; [L63] CALL, EXPR fmin_double(x, y) [L45] CALL, EXPR __fpclassify_double(x) [L18] __uint32_t msw, lsw; [L21] ieee_double_shape_type ew_u; [L22] ew_u.value = (x) [L23] EXPR ew_u.parts.msw [L23] (msw) = ew_u.parts.msw [L24] EXPR ew_u.parts.lsw [L24] (lsw) = ew_u.parts.lsw [L27-L28] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L30-L31] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L33-L34] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L37-L38] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L41] return 0; [L45] RET, EXPR __fpclassify_double(x) [L45] COND TRUE __fpclassify_double(x) == 0 [L46] return y; [L63] RET, EXPR fmin_double(x, y) [L63] double res = fmin_double(x, y); [L65] CALL, EXPR isnan_double(res) [L16] return x != x; [L65] RET, EXPR isnan_double(res) [L65] COND TRUE !isnan_double(res) [L66] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 79 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 239 SDtfs, 65 SDslu, 416 SDs, 0 SdLazy, 313 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred 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, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...