/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1230.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 17:03:30,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 17:03:30,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 17:03:30,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 17:03:30,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 17:03:30,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 17:03:30,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 17:03:30,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 17:03:30,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 17:03:30,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 17:03:30,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 17:03:30,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 17:03:30,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 17:03:30,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 17:03:30,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 17:03:30,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 17:03:30,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 17:03:30,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 17:03:30,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 17:03:30,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 17:03:30,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 17:03:30,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 17:03:30,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 17:03:30,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 17:03:30,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 17:03:30,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 17:03:30,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 17:03:30,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 17:03:30,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 17:03:30,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 17:03:30,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 17:03:30,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 17:03:30,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 17:03:30,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 17:03:30,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 17:03:30,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 17:03:30,222 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 17:03:30,235 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 17:03:30,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 17:03:30,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 17:03:30,237 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 17:03:30,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 17:03:30,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 17:03:30,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 17:03:30,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 17:03:30,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 17:03:30,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 17:03:30,238 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 17:03:30,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 17:03:30,239 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 17:03:30,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 17:03:30,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 17:03:30,239 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 17:03:30,239 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 17:03:30,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 17:03:30,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 17:03:30,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 17:03:30,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 17:03:30,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 17:03:30,241 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-17 17:03:30,547 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 17:03:30,567 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 17:03:30,570 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 17:03:30,572 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 17:03:30,572 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 17:03:30,573 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1230.c [2020-07-17 17:03:30,647 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bc757f83/a24290b7bc694a96893e7b581482a29a/FLAG9876a16c1 [2020-07-17 17:03:31,113 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 17:03:31,114 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1230.c [2020-07-17 17:03:31,121 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bc757f83/a24290b7bc694a96893e7b581482a29a/FLAG9876a16c1 [2020-07-17 17:03:31,459 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bc757f83/a24290b7bc694a96893e7b581482a29a [2020-07-17 17:03:31,468 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 17:03:31,471 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 17:03:31,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 17:03:31,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 17:03:31,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 17:03:31,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 05:03:31" (1/1) ... [2020-07-17 17:03:31,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c454dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:03:31, skipping insertion in model container [2020-07-17 17:03:31,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 05:03:31" (1/1) ... [2020-07-17 17:03:31,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 17:03:31,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 17:03:31,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 17:03:31,686 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 17:03:31,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 17:03:31,830 INFO L208 MainTranslator]: Completed translation [2020-07-17 17:03:31,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:03:31 WrapperNode [2020-07-17 17:03:31,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 17:03:31,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 17:03:31,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 17:03:31,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 17:03:31,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:03:31" (1/1) ... [2020-07-17 17:03:31,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:03:31" (1/1) ... [2020-07-17 17:03:31,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:03:31" (1/1) ... [2020-07-17 17:03:31,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:03:31" (1/1) ... [2020-07-17 17:03:31,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:03:31" (1/1) ... [2020-07-17 17:03:31,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:03:31" (1/1) ... [2020-07-17 17:03:31,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:03:31" (1/1) ... [2020-07-17 17:03:31,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 17:03:31,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 17:03:31,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 17:03:31,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 17:03:31,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:03:31" (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 [2020-07-17 17:03:31,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 17:03:31,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 17:03:31,943 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-17 17:03:31,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2020-07-17 17:03:31,943 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_double [2020-07-17 17:03:31,943 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 17:03:31,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 17:03:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-07-17 17:03:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-17 17:03:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2020-07-17 17:03:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 17:03:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-17 17:03:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 17:03:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 17:03:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_double [2020-07-17 17:03:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 17:03:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 17:03:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 17:03:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 17:03:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-17 17:03:32,270 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 17:03:32,273 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-07-17 17:03:32,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:03:32 BoogieIcfgContainer [2020-07-17 17:03:32,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 17:03:32,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 17:03:32,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 17:03:32,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 17:03:32,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 05:03:31" (1/3) ... [2020-07-17 17:03:32,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@81abc82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 05:03:32, skipping insertion in model container [2020-07-17 17:03:32,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:03:31" (2/3) ... [2020-07-17 17:03:32,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@81abc82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 05:03:32, skipping insertion in model container [2020-07-17 17:03:32,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:03:32" (3/3) ... [2020-07-17 17:03:32,305 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1230.c [2020-07-17 17:03:32,328 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 17:03:32,344 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 17:03:32,364 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 17:03:32,385 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 17:03:32,385 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 17:03:32,385 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 17:03:32,386 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 17:03:32,386 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 17:03:32,386 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 17:03:32,386 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 17:03:32,386 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 17:03:32,403 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2020-07-17 17:03:32,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-17 17:03:32,416 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:03:32,417 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] [2020-07-17 17:03:32,417 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:03:32,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:03:32,423 INFO L82 PathProgramCache]: Analyzing trace with hash 6613302, now seen corresponding path program 1 times [2020-07-17 17:03:32,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:03:32,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [560433399] [2020-07-17 17:03:32,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:03:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:32,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 17:03:32,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [560433399] [2020-07-17 17:03:32,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:03:32,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 17:03:32,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336484138] [2020-07-17 17:03:32,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 17:03:32,696 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:03:32,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 17:03:32,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 17:03:32,711 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 4 states. [2020-07-17 17:03:32,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:03:32,948 INFO L93 Difference]: Finished difference Result 144 states and 165 transitions. [2020-07-17 17:03:32,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 17:03:32,950 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2020-07-17 17:03:32,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:03:32,962 INFO L225 Difference]: With dead ends: 144 [2020-07-17 17:03:32,962 INFO L226 Difference]: Without dead ends: 72 [2020-07-17 17:03:32,967 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 [2020-07-17 17:03:32,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-07-17 17:03:33,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-07-17 17:03:33,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-07-17 17:03:33,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 79 transitions. [2020-07-17 17:03:33,023 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 79 transitions. Word has length 38 [2020-07-17 17:03:33,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:03:33,024 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 79 transitions. [2020-07-17 17:03:33,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 17:03:33,024 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2020-07-17 17:03:33,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-17 17:03:33,027 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:03:33,028 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] [2020-07-17 17:03:33,028 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 17:03:33,028 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:03:33,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:03:33,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1569895040, now seen corresponding path program 1 times [2020-07-17 17:03:33,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:03:33,030 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [575585304] [2020-07-17 17:03:33,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:03:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:33,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 17:03:33,307 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [575585304] [2020-07-17 17:03:33,307 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:03:33,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 17:03:33,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056728140] [2020-07-17 17:03:33,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 17:03:33,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:03:33,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 17:03:33,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-17 17:03:33,314 INFO L87 Difference]: Start difference. First operand 72 states and 79 transitions. Second operand 6 states. [2020-07-17 17:03:33,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:03:33,574 INFO L93 Difference]: Finished difference Result 93 states and 101 transitions. [2020-07-17 17:03:33,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 17:03:33,575 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2020-07-17 17:03:33,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:03:33,579 INFO L225 Difference]: With dead ends: 93 [2020-07-17 17:03:33,579 INFO L226 Difference]: Without dead ends: 77 [2020-07-17 17:03:33,580 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 [2020-07-17 17:03:33,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-07-17 17:03:33,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76. [2020-07-17 17:03:33,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-07-17 17:03:33,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 84 transitions. [2020-07-17 17:03:33,597 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 84 transitions. Word has length 52 [2020-07-17 17:03:33,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:03:33,597 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 84 transitions. [2020-07-17 17:03:33,597 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 17:03:33,597 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2020-07-17 17:03:33,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-17 17:03:33,599 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:03:33,599 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] [2020-07-17 17:03:33,600 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 17:03:33,600 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:03:33,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:03:33,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1915658490, now seen corresponding path program 1 times [2020-07-17 17:03:33,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:03:33,601 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [629318892] [2020-07-17 17:03:33,601 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:03:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:33,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 17:03:33,775 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [629318892] [2020-07-17 17:03:33,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:03:33,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 17:03:33,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357404790] [2020-07-17 17:03:33,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 17:03:33,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:03:33,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 17:03:33,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-17 17:03:33,778 INFO L87 Difference]: Start difference. First operand 76 states and 84 transitions. Second operand 6 states. [2020-07-17 17:03:33,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:03:33,971 INFO L93 Difference]: Finished difference Result 97 states and 106 transitions. [2020-07-17 17:03:33,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 17:03:33,972 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2020-07-17 17:03:33,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:03:33,974 INFO L225 Difference]: With dead ends: 97 [2020-07-17 17:03:33,974 INFO L226 Difference]: Without dead ends: 81 [2020-07-17 17:03:33,975 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 [2020-07-17 17:03:33,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-07-17 17:03:33,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 76. [2020-07-17 17:03:33,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-07-17 17:03:33,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 84 transitions. [2020-07-17 17:03:33,988 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 84 transitions. Word has length 55 [2020-07-17 17:03:33,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:03:33,988 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 84 transitions. [2020-07-17 17:03:33,989 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 17:03:33,989 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2020-07-17 17:03:33,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-17 17:03:33,991 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:03:33,991 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] [2020-07-17 17:03:33,991 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 17:03:33,991 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:03:33,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:03:33,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1520711866, now seen corresponding path program 1 times [2020-07-17 17:03:33,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:03:33,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1800355141] [2020-07-17 17:03:33,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:03:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 17:03:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 17:03:34,182 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 17:03:34,182 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 17:03:34,183 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 17:03:34,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 05:03:34 BoogieIcfgContainer [2020-07-17 17:03:34,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 17:03:34,226 INFO L168 Benchmark]: Toolchain (without parser) took 2755.15 ms. Allocated memory was 139.5 MB in the beginning and 234.9 MB in the end (delta: 95.4 MB). Free memory was 103.8 MB in the beginning and 105.9 MB in the end (delta: -2.1 MB). Peak memory consumption was 93.3 MB. Max. memory is 7.1 GB. [2020-07-17 17:03:34,227 INFO L168 Benchmark]: CDTParser took 0.95 ms. Allocated memory is still 139.5 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-17 17:03:34,228 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.76 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 103.4 MB in the beginning and 182.5 MB in the end (delta: -79.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2020-07-17 17:03:34,229 INFO L168 Benchmark]: Boogie Preprocessor took 41.85 ms. Allocated memory is still 203.4 MB. Free memory was 182.5 MB in the beginning and 180.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2020-07-17 17:03:34,230 INFO L168 Benchmark]: RCFGBuilder took 408.01 ms. Allocated memory is still 203.4 MB. Free memory was 180.2 MB in the beginning and 158.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2020-07-17 17:03:34,231 INFO L168 Benchmark]: TraceAbstraction took 1940.52 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 158.2 MB in the beginning and 105.9 MB in the end (delta: 52.2 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2020-07-17 17:03:34,235 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95 ms. Allocated memory is still 139.5 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 358.76 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 103.4 MB in the beginning and 182.5 MB in the end (delta: -79.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.85 ms. Allocated memory is still 203.4 MB. Free memory was 182.5 MB in the beginning and 180.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 408.01 ms. Allocated memory is still 203.4 MB. Free memory was 180.2 MB in the beginning and 158.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1940.52 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 158.2 MB in the beginning and 105.9 MB in the end (delta: 52.2 MB). Peak memory consumption was 83.7 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) VAL [\old(x)=4293918724, \old(y)=4293918725] [L45] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=4293918724] [L18] __uint32_t msw, lsw; VAL [\old(x)=4293918724, x=4293918724] [L21] ieee_double_shape_type ew_u; VAL [\old(x)=4293918724, ew_u={2:0}, x=4293918724] [L22] ew_u.value = (x) VAL [\old(x)=4293918724, ew_u={2:0}, x=4293918724] [L23] EXPR ew_u.parts.msw VAL [\old(x)=4293918724, ew_u={2:0}, ew_u.parts.msw=4293918721, x=4293918724] [L23] (msw) = ew_u.parts.msw VAL [\old(x)=4293918724, ew_u={2:0}, ew_u.parts.msw=4293918721, msw=4293918721, x=4293918724] [L24] EXPR ew_u.parts.lsw VAL [\old(x)=4293918724, ew_u={2:0}, ew_u.parts.lsw=3, msw=4293918721, x=4293918724] [L24] (lsw) = ew_u.parts.lsw VAL [\old(x)=4293918724, ew_u={2:0}, ew_u.parts.lsw=3, lsw=3, msw=4293918721, x=4293918724] [L27-L28] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) VAL [\old(x)=4293918724, lsw=3, msw=4293918721, x=4293918724] [L30-L31] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) VAL [\old(x)=4293918724, lsw=3, msw=4293918721, x=4293918724] [L33-L34] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) VAL [\old(x)=4293918724, lsw=3, msw=4293918721, x=4293918724] [L37-L38] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) VAL [\old(x)=4293918724, lsw=3, msw=4293918721, x=4293918724] [L41] return 0; VAL [\old(x)=4293918724, \result=0, lsw=3, msw=4293918721, x=4293918724] [L45] RET, EXPR __fpclassify_double(x) VAL [\old(x)=4293918724, \old(y)=4293918725, __fpclassify_double(x)=0, x=4293918724, y=4293918725] [L45] COND TRUE __fpclassify_double(x) == 0 VAL [\old(x)=4293918724, \old(y)=4293918725, __fpclassify_double(x)=0, x=4293918724, y=4293918725] [L46] return y; VAL [\old(x)=4293918724, \old(y)=4293918725, \result=4293918725, x=4293918724, y=4293918725] [L63] RET, EXPR fmin_double(x, y) VAL [fmin_double(x, y)=4293918725, x=4293918724, y=4293918725] [L63] double res = fmin_double(x, y); VAL [fmin_double(x, y)=4293918725, res=4293918725, x=4293918724, y=4293918725] [L65] CALL, EXPR isnan_double(res) VAL [\old(x)=4293918725] [L16] return x != x; VAL [\old(x)=4293918725, \result=0, x=4293918725] [L65] RET, EXPR isnan_double(res) VAL [isnan_double(res)=0, res=4293918725, x=4293918724, y=4293918725] [L65] COND TRUE !isnan_double(res) VAL [isnan_double(res)=0, res=4293918725, x=4293918724, y=4293918725] [L66] __VERIFIER_error() VAL [res=4293918725, x=4293918724, y=4293918725] - 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, 0.3s 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 12412 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...