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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0460.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 01:44:00,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 01:44:00,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 01:44:00,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 01:44:00,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 01:44:00,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 01:44:00,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 01:44:00,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 01:44:00,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 01:44:00,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 01:44:00,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 01:44:00,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 01:44:00,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 01:44:00,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 01:44:00,404 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 01:44:00,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 01:44:00,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 01:44:00,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 01:44:00,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 01:44:00,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 01:44:00,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 01:44:00,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 01:44:00,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 01:44:00,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 01:44:00,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 01:44:00,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 01:44:00,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 01:44:00,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 01:44:00,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 01:44:00,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 01:44:00,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 01:44:00,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 01:44:00,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 01:44:00,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 01:44:00,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 01:44:00,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 01:44:00,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 01:44:00,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 01:44:00,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 01:44:00,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 01:44:00,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 01:44:00,447 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 01:44:00,478 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 01:44:00,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 01:44:00,479 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 01:44:00,480 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 01:44:00,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 01:44:00,480 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 01:44:00,481 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 01:44:00,481 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 01:44:00,481 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 01:44:00,481 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 01:44:00,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 01:44:00,484 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 01:44:00,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 01:44:00,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 01:44:00,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 01:44:00,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 01:44:00,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 01:44:00,485 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 01:44:00,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 01:44:00,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 01:44:00,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 01:44:00,486 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 01:44:00,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 01:44:00,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 01:44:00,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 01:44:00,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 01:44:00,487 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 01:44:00,487 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 01:44:00,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 01:44:00,488 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 01:44:00,541 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 01:44:00,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 01:44:00,566 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 01:44:00,568 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 01:44:00,568 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 01:44:00,569 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0460.c [2019-09-10 01:44:00,636 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbb8159e7/71433c6a126d4afba58d3720a59495be/FLAG8aeb2c6c5 [2019-09-10 01:44:01,060 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 01:44:01,060 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0460.c [2019-09-10 01:44:01,069 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbb8159e7/71433c6a126d4afba58d3720a59495be/FLAG8aeb2c6c5 [2019-09-10 01:44:01,408 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbb8159e7/71433c6a126d4afba58d3720a59495be [2019-09-10 01:44:01,420 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 01:44:01,424 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 01:44:01,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 01:44:01,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 01:44:01,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 01:44:01,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:44:01" (1/1) ... [2019-09-10 01:44:01,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dc8a1b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:01, skipping insertion in model container [2019-09-10 01:44:01,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:44:01" (1/1) ... [2019-09-10 01:44:01,442 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 01:44:01,487 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 01:44:01,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:44:01,865 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 01:44:01,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:44:01,950 INFO L192 MainTranslator]: Completed translation [2019-09-10 01:44:01,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:01 WrapperNode [2019-09-10 01:44:01,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 01:44:01,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 01:44:01,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 01:44:01,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 01:44:01,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:01" (1/1) ... [2019-09-10 01:44:01,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:01" (1/1) ... [2019-09-10 01:44:01,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:01" (1/1) ... [2019-09-10 01:44:01,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:01" (1/1) ... [2019-09-10 01:44:01,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:01" (1/1) ... [2019-09-10 01:44:02,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:01" (1/1) ... [2019-09-10 01:44:02,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:01" (1/1) ... [2019-09-10 01:44:02,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 01:44:02,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 01:44:02,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 01:44:02,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 01:44:02,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:01" (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 [2019-09-10 01:44:02,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 01:44:02,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 01:44:02,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2019-09-10 01:44:02,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2019-09-10 01:44:02,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acosf [2019-09-10 01:44:02,074 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 01:44:02,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 01:44:02,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-10 01:44:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2019-09-10 01:44:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2019-09-10 01:44:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 01:44:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-10 01:44:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 01:44:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 01:44:02,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 01:44:02,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-10 01:44:02,076 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acosf [2019-09-10 01:44:02,076 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 01:44:02,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 01:44:02,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 01:44:04,659 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 01:44:04,660 INFO L283 CfgBuilder]: Removed 12 assume(true) statements. [2019-09-10 01:44:04,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:44:04 BoogieIcfgContainer [2019-09-10 01:44:04,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 01:44:04,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 01:44:04,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 01:44:04,666 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 01:44:04,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 01:44:01" (1/3) ... [2019-09-10 01:44:04,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43632ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:44:04, skipping insertion in model container [2019-09-10 01:44:04,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:01" (2/3) ... [2019-09-10 01:44:04,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43632ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:44:04, skipping insertion in model container [2019-09-10 01:44:04,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:44:04" (3/3) ... [2019-09-10 01:44:04,669 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0460.c [2019-09-10 01:44:04,679 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 01:44:04,688 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 01:44:04,706 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 01:44:04,734 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 01:44:04,735 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 01:44:04,735 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 01:44:04,735 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 01:44:04,735 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 01:44:04,736 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 01:44:04,736 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 01:44:04,736 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 01:44:04,754 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2019-09-10 01:44:04,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-09-10 01:44:04,766 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 01:44:04,767 INFO L399 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] [2019-09-10 01:44:04,770 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 01:44:04,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 01:44:04,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1696839201, now seen corresponding path program 1 times [2019-09-10 01:44:04,779 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 01:44:04,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:44:04,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:44:04,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:44:04,825 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 01:44:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 01:44:04,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 01:44:05,021 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-10 01:44:05,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 01:44:05 BoogieIcfgContainer [2019-09-10 01:44:05,078 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 01:44:05,081 INFO L168 Benchmark]: Toolchain (without parser) took 3658.00 ms. Allocated memory was 140.5 MB in the beginning and 199.8 MB in the end (delta: 59.2 MB). Free memory was 88.7 MB in the beginning and 122.4 MB in the end (delta: -33.8 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-09-10 01:44:05,083 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 01:44:05,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 525.12 ms. Allocated memory was 140.5 MB in the beginning and 199.8 MB in the end (delta: 59.2 MB). Free memory was 88.4 MB in the beginning and 174.2 MB in the end (delta: -85.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-09-10 01:44:05,086 INFO L168 Benchmark]: Boogie Preprocessor took 56.10 ms. Allocated memory is still 199.8 MB. Free memory was 174.2 MB in the beginning and 171.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-10 01:44:05,087 INFO L168 Benchmark]: RCFGBuilder took 2653.37 ms. Allocated memory is still 199.8 MB. Free memory was 171.9 MB in the beginning and 140.5 MB in the end (delta: 31.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 7.1 GB. [2019-09-10 01:44:05,089 INFO L168 Benchmark]: TraceAbstraction took 415.82 ms. Allocated memory is still 199.8 MB. Free memory was 140.5 MB in the beginning and 122.4 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. [2019-09-10 01:44:05,095 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 525.12 ms. Allocated memory was 140.5 MB in the beginning and 199.8 MB in the end (delta: 59.2 MB). Free memory was 88.4 MB in the beginning and 174.2 MB in the end (delta: -85.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.10 ms. Allocated memory is still 199.8 MB. Free memory was 174.2 MB in the beginning and 171.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2653.37 ms. Allocated memory is still 199.8 MB. Free memory was 171.9 MB in the beginning and 140.5 MB in the end (delta: 31.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 415.82 ms. Allocated memory is still 199.8 MB. Free memory was 140.5 MB in the beginning and 122.4 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 177]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseAnd at line 101. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L84-L91] static const float one_acos = 1.0000000000e+00, pi = 3.1415925026e+00, pio2_hi_acos = 1.5707962513e+00, pio2_lo_acos = 7.5497894159e-08, pS0_acos = 1.6666667163e-01, pS1_acos = -3.2556581497e-01, pS2_acos = 2.0121252537e-01, pS3_acos = -4.0055535734e-02, pS4_acos = 7.9153501429e-04, pS5_acos = 3.4793309169e-05, qS1_acos = -2.4033949375e+00, qS2_acos = 2.0209457874e+00, qS3_acos = -6.8828397989e-01, qS4_acos = 7.7038154006e-02; VAL [\old(one_acos)=4294967314, \old(one_sqrt)=4294967307, \old(pi)=4294967305, \old(pi)=4294967309, \old(pi)=4294967317, \old(pS0_acos)=4294967300, \old(pS1_acos)=4294967315, \old(pS2_acos)=4294967316, \old(pS3_acos)=4294967303, \old(pS4_acos)=4294967308, \old(pS5_acos)=4294967318, \old(qS1_acos)=4294967302, \old(qS2_acos)=4294967310, \old(qS3_acos)=4294967312, \old(qS4_acos)=4294967304, \old(tiny_sqrt)=4294967313, one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS1_acos=-32556581497/100000000000, pS2_acos=20121252537/100000000000, pS3_acos=-20027767867/500000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS1_acos=-38454319/16000000, qS2_acos=10104728937/5000000000, qS3_acos=-68828397989/100000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L169] float x = __VERIFIER_nondet_float(); [L171] COND TRUE x < -1.0f || x > 1.0f VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS1_acos=-32556581497/100000000000, pS2_acos=20121252537/100000000000, pS3_acos=-20027767867/500000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS1_acos=-38454319/16000000, qS2_acos=10104728937/5000000000, qS3_acos=-68828397989/100000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L173] CALL, EXPR __ieee754_acosf(x) VAL [\old(x)=2, one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS1_acos=-32556581497/100000000000, pS2_acos=20121252537/100000000000, pS3_acos=-20027767867/500000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS1_acos=-38454319/16000000, qS2_acos=10104728937/5000000000, qS3_acos=-68828397989/100000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L94] float z, p, q, r, w, s, c, df; [L95] __int32_t hx, ix; VAL [\old(x)=2, one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS1_acos=-32556581497/100000000000, pS2_acos=20121252537/100000000000, pS3_acos=-20027767867/500000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS1_acos=-38454319/16000000, qS2_acos=10104728937/5000000000, qS3_acos=-68828397989/100000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L97] ieee_float_shape_type gf_u; [L98] gf_u.value = (x) [L99] EXPR gf_u.word [L99] (hx) = gf_u.word [L101] ix = hx & 0x7fffffff VAL [\old(x)=2, hx=3, one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS1_acos=-32556581497/100000000000, pS2_acos=20121252537/100000000000, pS3_acos=-20027767867/500000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS1_acos=-38454319/16000000, qS2_acos=10104728937/5000000000, qS3_acos=-68828397989/100000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L102] COND TRUE ix == 0x3f800000 VAL [\old(x)=2, hx=3, ix=1065353216, one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS1_acos=-32556581497/100000000000, pS2_acos=20121252537/100000000000, pS3_acos=-20027767867/500000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS1_acos=-38454319/16000000, qS2_acos=10104728937/5000000000, qS3_acos=-68828397989/100000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L103] COND TRUE hx > 0 [L104] return 0.0; VAL [\old(x)=2, \result=0, hx=3, ix=1065353216, one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS1_acos=-32556581497/100000000000, pS2_acos=20121252537/100000000000, pS3_acos=-20027767867/500000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS1_acos=-38454319/16000000, qS2_acos=10104728937/5000000000, qS3_acos=-68828397989/100000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L173] RET, EXPR __ieee754_acosf(x) VAL [__ieee754_acosf(x)=0, one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS1_acos=-32556581497/100000000000, pS2_acos=20121252537/100000000000, pS3_acos=-20027767867/500000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS1_acos=-38454319/16000000, qS2_acos=10104728937/5000000000, qS3_acos=-68828397989/100000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L173] float res = __ieee754_acosf(x); [L176] CALL, EXPR isnan_float(res) VAL [\old(x)=0, one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS1_acos=-32556581497/100000000000, pS2_acos=20121252537/100000000000, pS3_acos=-20027767867/500000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS1_acos=-38454319/16000000, qS2_acos=10104728937/5000000000, qS3_acos=-68828397989/100000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L13] return x != x; VAL [\old(x)=0, \result=0, one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS1_acos=-32556581497/100000000000, pS2_acos=20121252537/100000000000, pS3_acos=-20027767867/500000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS1_acos=-38454319/16000000, qS2_acos=10104728937/5000000000, qS3_acos=-68828397989/100000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L176] RET, EXPR isnan_float(res) VAL [isnan_float(res)=0, one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS1_acos=-32556581497/100000000000, pS2_acos=20121252537/100000000000, pS3_acos=-20027767867/500000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS1_acos=-38454319/16000000, qS2_acos=10104728937/5000000000, qS3_acos=-68828397989/100000000000, qS4_acos=38519077003/500000000000, res=0, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L176] COND TRUE !isnan_float(res) [L177] __VERIFIER_error() VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS1_acos=-32556581497/100000000000, pS2_acos=20121252537/100000000000, pS3_acos=-20027767867/500000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS1_acos=-38454319/16000000, qS2_acos=10104728937/5000000000, qS3_acos=-68828397989/100000000000, qS4_acos=38519077003/500000000000, res=0, tiny_sqrt=1/1000000000000000000000000000000, x=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 69 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...