/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_1232b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 20:25:02,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 20:25:02,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 20:25:02,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 20:25:02,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 20:25:02,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 20:25:02,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 20:25:02,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 20:25:02,564 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 20:25:02,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 20:25:02,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 20:25:02,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 20:25:02,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 20:25:02,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 20:25:02,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 20:25:02,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 20:25:02,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 20:25:02,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 20:25:02,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 20:25:02,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 20:25:02,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 20:25:02,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 20:25:02,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 20:25:02,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 20:25:02,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-23 20:25:02,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 20:25:02,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 20:25:02,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 20:25:02,629 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-23 20:25:02,646 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 20:25:02,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 20:25:02,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 20:25:02,651 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 20:25:02,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 20:25:02,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 20:25:02,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 20:25:02,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 20:25:02,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 20:25:02,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 20:25:02,655 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 20:25:02,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 20:25:02,656 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 20:25:02,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 20:25:02,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 20:25:02,657 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 20:25:02,657 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 20:25:02,658 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 20:25:02,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 20:25:02,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 20:25:02,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 20:25:02,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 20:25:02,659 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 20:25:03,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 20:25:03,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 20:25:03,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 20:25:03,132 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 20:25:03,133 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 20:25:03,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1232b.c [2020-10-23 20:25:03,220 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ea3000f0/f275805b041d4df9a02461ba94d4b67b/FLAG158dd9201 [2020-10-23 20:25:03,847 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 20:25:03,848 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1232b.c [2020-10-23 20:25:03,859 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ea3000f0/f275805b041d4df9a02461ba94d4b67b/FLAG158dd9201 [2020-10-23 20:25:04,231 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ea3000f0/f275805b041d4df9a02461ba94d4b67b [2020-10-23 20:25:04,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 20:25:04,245 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 20:25:04,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 20:25:04,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 20:25:04,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 20:25:04,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:25:04" (1/1) ... [2020-10-23 20:25:04,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef9b53c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:04, skipping insertion in model container [2020-10-23 20:25:04,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:25:04" (1/1) ... [2020-10-23 20:25:04,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 20:25:04,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 20:25:04,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:25:04,608 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 20:25:04,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:25:04,692 INFO L208 MainTranslator]: Completed translation [2020-10-23 20:25:04,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:04 WrapperNode [2020-10-23 20:25:04,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 20:25:04,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 20:25:04,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 20:25:04,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 20:25:04,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:04" (1/1) ... [2020-10-23 20:25:04,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:04" (1/1) ... [2020-10-23 20:25:04,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:04" (1/1) ... [2020-10-23 20:25:04,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:04" (1/1) ... [2020-10-23 20:25:04,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:04" (1/1) ... [2020-10-23 20:25:04,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:04" (1/1) ... [2020-10-23 20:25:04,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:04" (1/1) ... [2020-10-23 20:25:04,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 20:25:04,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 20:25:04,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 20:25:04,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 20:25:04,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:04" (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 [2020-10-23 20:25:04,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 20:25:04,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 20:25:04,860 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 20:25:04,860 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-10-23 20:25:04,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2020-10-23 20:25:04,861 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_double [2020-10-23 20:25:04,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2020-10-23 20:25:04,861 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 20:25:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 20:25:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 20:25:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 20:25:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 20:25:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-10-23 20:25:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-10-23 20:25:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2020-10-23 20:25:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-23 20:25:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 20:25:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 20:25:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_double [2020-10-23 20:25:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2020-10-23 20:25:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 20:25:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 20:25:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 20:25:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 20:25:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-23 20:25:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 20:25:05,703 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 20:25:05,704 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-23 20:25:05,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:25:05 BoogieIcfgContainer [2020-10-23 20:25:05,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 20:25:05,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 20:25:05,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 20:25:05,711 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 20:25:05,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:25:04" (1/3) ... [2020-10-23 20:25:05,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372d9326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:25:05, skipping insertion in model container [2020-10-23 20:25:05,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:04" (2/3) ... [2020-10-23 20:25:05,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372d9326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:25:05, skipping insertion in model container [2020-10-23 20:25:05,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:25:05" (3/3) ... [2020-10-23 20:25:05,715 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1232b.c [2020-10-23 20:25:05,726 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 20:25:05,731 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 20:25:05,745 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 20:25:05,769 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 20:25:05,769 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 20:25:05,769 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-10-23 20:25:05,769 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 20:25:05,769 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 20:25:05,770 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 20:25:05,770 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 20:25:05,770 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 20:25:05,787 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2020-10-23 20:25:05,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-23 20:25:05,799 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:25:05,800 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] [2020-10-23 20:25:05,800 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:25:05,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:25:05,807 INFO L82 PathProgramCache]: Analyzing trace with hash -843828329, now seen corresponding path program 1 times [2020-10-23 20:25:05,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:25:05,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [930570042] [2020-10-23 20:25:05,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:25:05,886 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:25:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:25:06,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:25:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:25:06,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-23 20:25:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:25:06,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:25:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:25:06,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:25:06,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [930570042] [2020-10-23 20:25:06,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:25:06,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 20:25:06,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577529322] [2020-10-23 20:25:06,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 20:25:06,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:25:06,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 20:25:06,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 20:25:06,157 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 4 states. [2020-10-23 20:25:06,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:25:06,518 INFO L93 Difference]: Finished difference Result 185 states and 214 transitions. [2020-10-23 20:25:06,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-23 20:25:06,520 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-10-23 20:25:06,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:25:06,530 INFO L225 Difference]: With dead ends: 185 [2020-10-23 20:25:06,531 INFO L226 Difference]: Without dead ends: 93 [2020-10-23 20:25:06,536 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 20:25:06,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-23 20:25:06,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-10-23 20:25:06,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-23 20:25:06,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 101 transitions. [2020-10-23 20:25:06,600 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 101 transitions. Word has length 41 [2020-10-23 20:25:06,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:25:06,601 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 101 transitions. [2020-10-23 20:25:06,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 20:25:06,601 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 101 transitions. [2020-10-23 20:25:06,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-23 20:25:06,605 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:25:06,605 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] [2020-10-23 20:25:06,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 20:25:06,606 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:25:06,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:25:06,607 INFO L82 PathProgramCache]: Analyzing trace with hash 739942113, now seen corresponding path program 1 times [2020-10-23 20:25:06,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:25:06,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1121811919] [2020-10-23 20:25:06,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:25:06,611 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:25:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:25:06,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:25:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:25:06,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-23 20:25:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:25:06,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:25:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:25:07,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:25:07,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1121811919] [2020-10-23 20:25:07,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:25:07,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 20:25:07,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691728516] [2020-10-23 20:25:07,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-23 20:25:07,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:25:07,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-23 20:25:07,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-23 20:25:07,003 INFO L87 Difference]: Start difference. First operand 93 states and 101 transitions. Second operand 6 states. [2020-10-23 20:25:07,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:25:07,311 INFO L93 Difference]: Finished difference Result 130 states and 140 transitions. [2020-10-23 20:25:07,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-23 20:25:07,312 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2020-10-23 20:25:07,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:25:07,316 INFO L225 Difference]: With dead ends: 130 [2020-10-23 20:25:07,316 INFO L226 Difference]: Without dead ends: 98 [2020-10-23 20:25:07,318 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-23 20:25:07,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-10-23 20:25:07,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2020-10-23 20:25:07,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-10-23 20:25:07,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 106 transitions. [2020-10-23 20:25:07,354 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 106 transitions. Word has length 55 [2020-10-23 20:25:07,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:25:07,358 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 106 transitions. [2020-10-23 20:25:07,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-23 20:25:07,359 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 106 transitions. [2020-10-23 20:25:07,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-23 20:25:07,366 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:25:07,367 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, 1, 1, 1] [2020-10-23 20:25:07,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 20:25:07,367 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:25:07,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:25:07,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1411870785, now seen corresponding path program 1 times [2020-10-23 20:25:07,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:25:07,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [752942258] [2020-10-23 20:25:07,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:25:07,372 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:25:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:25:07,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:25:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:25:07,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-23 20:25:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:25:07,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:25:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:25:07,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:25:07,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [752942258] [2020-10-23 20:25:07,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:25:07,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 20:25:07,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972075466] [2020-10-23 20:25:07,554 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-23 20:25:07,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:25:07,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-23 20:25:07,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-23 20:25:07,556 INFO L87 Difference]: Start difference. First operand 97 states and 106 transitions. Second operand 6 states. [2020-10-23 20:25:07,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:25:07,875 INFO L93 Difference]: Finished difference Result 134 states and 145 transitions. [2020-10-23 20:25:07,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-23 20:25:07,876 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2020-10-23 20:25:07,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:25:07,878 INFO L225 Difference]: With dead ends: 134 [2020-10-23 20:25:07,878 INFO L226 Difference]: Without dead ends: 102 [2020-10-23 20:25:07,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-23 20:25:07,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-10-23 20:25:07,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 97. [2020-10-23 20:25:07,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-10-23 20:25:07,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 106 transitions. [2020-10-23 20:25:07,895 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 106 transitions. Word has length 58 [2020-10-23 20:25:07,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:25:07,895 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 106 transitions. [2020-10-23 20:25:07,895 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-23 20:25:07,895 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 106 transitions. [2020-10-23 20:25:07,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-23 20:25:07,897 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:25:07,898 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, 1, 1, 1] [2020-10-23 20:25:07,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 20:25:07,898 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:25:07,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:25:07,899 INFO L82 PathProgramCache]: Analyzing trace with hash -799991937, now seen corresponding path program 1 times [2020-10-23 20:25:07,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:25:07,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [921169023] [2020-10-23 20:25:07,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:25:07,902 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:25:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 20:25:07,928 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 20:25:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 20:25:07,952 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 20:25:07,987 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-23 20:25:07,988 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 20:25:07,988 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 20:25:08,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 08:25:08 BoogieIcfgContainer [2020-10-23 20:25:08,009 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 20:25:08,012 INFO L168 Benchmark]: Toolchain (without parser) took 3771.87 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 127.5 MB in the beginning and 91.1 MB in the end (delta: 36.4 MB). Peak memory consumption was 67.9 MB. Max. memory is 8.0 GB. [2020-10-23 20:25:08,013 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 151.0 MB. Free memory was 125.0 MB in the beginning and 124.5 MB in the end (delta: 436.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 20:25:08,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 443.61 ms. Allocated memory is still 151.0 MB. Free memory was 126.8 MB in the beginning and 116.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-10-23 20:25:08,014 INFO L168 Benchmark]: Boogie Preprocessor took 79.52 ms. Allocated memory is still 151.0 MB. Free memory was 116.3 MB in the beginning and 114.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-23 20:25:08,015 INFO L168 Benchmark]: RCFGBuilder took 931.79 ms. Allocated memory is still 151.0 MB. Free memory was 114.6 MB in the beginning and 121.3 MB in the end (delta: -6.7 MB). Peak memory consumption was 15.6 MB. Max. memory is 8.0 GB. [2020-10-23 20:25:08,016 INFO L168 Benchmark]: TraceAbstraction took 2301.36 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 120.8 MB in the beginning and 91.1 MB in the end (delta: 29.7 MB). Peak memory consumption was 60.7 MB. Max. memory is 8.0 GB. [2020-10-23 20:25:08,020 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 151.0 MB. Free memory was 125.0 MB in the beginning and 124.5 MB in the end (delta: 436.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 443.61 ms. Allocated memory is still 151.0 MB. Free memory was 126.8 MB in the beginning and 116.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 79.52 ms. Allocated memory is still 151.0 MB. Free memory was 116.3 MB in the beginning and 114.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 931.79 ms. Allocated memory is still 151.0 MB. Free memory was 114.6 MB in the beginning and 121.3 MB in the end (delta: -6.7 MB). Peak memory consumption was 15.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2301.36 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 120.8 MB in the beginning and 91.1 MB in the end (delta: 29.7 MB). Peak memory consumption was 60.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 81, overapproximation of someUnaryDOUBLEoperation at line 76. Possible FailurePath: [L76] double x = -0.0; [L77] double y = 0.0; [L78] CALL, EXPR fmin_double(x, y) [L48] CALL, EXPR __fpclassify_double(x) [L21] __uint32_t msw, lsw; [L24] ieee_double_shape_type ew_u; [L25] ew_u.value = (x) [L26] EXPR ew_u.parts.msw [L26] (msw) = ew_u.parts.msw [L27] EXPR ew_u.parts.lsw [L27] (lsw) = ew_u.parts.lsw [L30-L31] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L33-L34] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L36-L37] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L40-L41] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L44] return 0; [L48] RET, EXPR __fpclassify_double(x) [L48] COND TRUE __fpclassify_double(x) == 0 [L49] return y; [L78] RET, EXPR fmin_double(x, y) [L78] double res = fmin_double(x, y); [L81] EXPR res == -0.0 && __signbit_double(res) == 1 [L81] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L82] CALL reach_error() [L3] __assert_fail("0", "double_req_bl_1232b.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 107 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 303 SDtfs, 65 SDslu, 540 SDs, 0 SdLazy, 408 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred 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...