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_0832b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 01:44:30,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 01:44:30,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 01:44:30,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 01:44:30,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 01:44:30,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 01:44:30,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 01:44:30,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 01:44:30,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 01:44:30,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 01:44:30,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 01:44:30,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 01:44:30,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 01:44:30,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 01:44:30,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 01:44:30,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 01:44:30,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 01:44:30,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 01:44:30,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 01:44:30,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 01:44:30,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 01:44:30,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 01:44:30,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 01:44:30,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 01:44:30,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-10 01:44:30,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 01:44:30,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 01:44:30,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 01:44:30,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 01:44:30,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 01:44:30,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 01:44:30,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 01:44:30,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 01:44:30,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 01:44:30,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 01:44:30,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 01:44:30,397 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 01:44:30,412 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 01:44:30,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 01:44:30,413 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 01:44:30,413 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 01:44:30,414 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 01:44:30,414 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 01:44:30,414 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 01:44:30,414 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 01:44:30,414 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 01:44:30,415 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 01:44:30,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 01:44:30,416 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 01:44:30,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 01:44:30,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 01:44:30,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 01:44:30,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 01:44:30,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 01:44:30,417 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 01:44:30,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 01:44:30,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 01:44:30,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 01:44:30,418 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 01:44:30,418 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 01:44:30,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 01:44:30,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 01:44:30,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 01:44:30,419 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 01:44:30,419 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 01:44:30,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 01:44:30,419 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 01:44:30,457 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 01:44:30,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 01:44:30,478 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 01:44:30,480 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 01:44:30,481 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 01:44:30,482 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0832b.c [2019-09-10 01:44:30,555 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/018c1cc6d/9f17ece5fdf04b4ca1c1a1a70c6ace51/FLAG95a528f0d [2019-09-10 01:44:31,013 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 01:44:31,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0832b.c [2019-09-10 01:44:31,027 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/018c1cc6d/9f17ece5fdf04b4ca1c1a1a70c6ace51/FLAG95a528f0d [2019-09-10 01:44:31,398 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/018c1cc6d/9f17ece5fdf04b4ca1c1a1a70c6ace51 [2019-09-10 01:44:31,410 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 01:44:31,412 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 01:44:31,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 01:44:31,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 01:44:31,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 01:44:31,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:44:31" (1/1) ... [2019-09-10 01:44:31,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@417059d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:31, skipping insertion in model container [2019-09-10 01:44:31,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:44:31" (1/1) ... [2019-09-10 01:44:31,429 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 01:44:31,463 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 01:44:31,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:44:31,828 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 01:44:31,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:44:31,899 INFO L192 MainTranslator]: Completed translation [2019-09-10 01:44:31,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:31 WrapperNode [2019-09-10 01:44:31,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 01:44:31,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 01:44:31,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 01:44:31,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 01:44:31,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:31" (1/1) ... [2019-09-10 01:44:31,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:31" (1/1) ... [2019-09-10 01:44:31,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:31" (1/1) ... [2019-09-10 01:44:31,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:31" (1/1) ... [2019-09-10 01:44:31,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:31" (1/1) ... [2019-09-10 01:44:31,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:31" (1/1) ... [2019-09-10 01:44:31,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:31" (1/1) ... [2019-09-10 01:44:31,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 01:44:31,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 01:44:31,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 01:44:31,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 01:44:31,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:31" (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 [2019-09-10 01:44:32,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 01:44:32,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 01:44:32,029 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2019-09-10 01:44:32,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2019-09-10 01:44:32,030 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 01:44:32,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 01:44:32,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-10 01:44:32,030 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2019-09-10 01:44:32,030 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2019-09-10 01:44:32,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 01:44:32,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-10 01:44:32,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 01:44:32,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 01:44:32,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-10 01:44:32,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 01:44:32,034 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 01:44:32,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 01:44:32,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-09-10 01:44:32,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 01:44:32,537 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 01:44:32,537 INFO L283 CfgBuilder]: Removed 10 assume(true) statements. [2019-09-10 01:44:32,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:44:32 BoogieIcfgContainer [2019-09-10 01:44:32,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 01:44:32,539 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 01:44:32,539 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 01:44:32,542 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 01:44:32,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 01:44:31" (1/3) ... [2019-09-10 01:44:32,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71555ec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:44:32, skipping insertion in model container [2019-09-10 01:44:32,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:31" (2/3) ... [2019-09-10 01:44:32,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71555ec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:44:32, skipping insertion in model container [2019-09-10 01:44:32,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:44:32" (3/3) ... [2019-09-10 01:44:32,546 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832b.c [2019-09-10 01:44:32,556 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 01:44:32,564 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 01:44:32,581 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 01:44:32,607 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 01:44:32,607 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 01:44:32,607 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 01:44:32,607 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 01:44:32,608 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 01:44:32,608 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 01:44:32,608 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 01:44:32,608 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 01:44:32,624 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2019-09-10 01:44:32,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-09-10 01:44:32,634 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 01:44:32,635 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 01:44:32,637 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 01:44:32,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 01:44:32,643 INFO L82 PathProgramCache]: Analyzing trace with hash 2136748673, now seen corresponding path program 1 times [2019-09-10 01:44:32,646 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 01:44:32,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:44:32,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:44:32,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:44:32,698 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 01:44:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 01:44:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 01:44:33,013 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-10 01:44:33,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 01:44:33 BoogieIcfgContainer [2019-09-10 01:44:33,096 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 01:44:33,099 INFO L168 Benchmark]: Toolchain (without parser) took 1686.21 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 89.0 MB in the beginning and 124.9 MB in the end (delta: -35.9 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. [2019-09-10 01:44:33,102 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 01:44:33,103 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.57 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 88.8 MB in the beginning and 174.0 MB in the end (delta: -85.2 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2019-09-10 01:44:33,105 INFO L168 Benchmark]: Boogie Preprocessor took 73.89 ms. Allocated memory is still 200.3 MB. Free memory was 174.0 MB in the beginning and 171.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-09-10 01:44:33,107 INFO L168 Benchmark]: RCFGBuilder took 563.36 ms. Allocated memory is still 200.3 MB. Free memory was 171.3 MB in the beginning and 144.5 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-10 01:44:33,107 INFO L168 Benchmark]: TraceAbstraction took 557.16 ms. Allocated memory is still 200.3 MB. Free memory was 144.5 MB in the beginning and 124.9 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. [2019-09-10 01:44:33,119 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 487.57 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 88.8 MB in the beginning and 174.0 MB in the end (delta: -85.2 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 73.89 ms. Allocated memory is still 200.3 MB. Free memory was 174.0 MB in the beginning and 171.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 563.36 ms. Allocated memory is still 200.3 MB. Free memory was 171.3 MB in the beginning and 144.5 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 557.16 ms. Allocated memory is still 200.3 MB. Free memory was 144.5 MB in the beginning and 124.9 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 122]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseAnd at line 46. Possible FailurePath: [L15-L34] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; VAL [\old(halF_exp)=4294967300, \old(halF_exp)=4294967310, \old(huge_exp)=4294967297, \old(invln2_exp)=4294967298, \old(ln2HI_exp)=4294967303, \old(ln2HI_exp)=4294967293, \old(ln2LO_exp)=4294967309, \old(ln2LO_exp)=4294967305, \old(one_exp)=4294967311, \old(P1_exp)=4294967299, \old(P2_exp)=4294967302, \old(P3_exp)=4294967306, \old(P4_exp)=4294967308, \old(P5_exp)=4294967307, \old(twom100_exp)=4294967294, halF_exp={-1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={-3:0}, ln2LO_exp={-2:0}, one_exp=1, P1_exp=16666667163/100000000000, P2_exp=-555555569/200000000000, P3_exp=6613755977/100000000000000, P4_exp=-16533901999/10000000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L117] float x = -0.0f; VAL [halF_exp={-1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={-3:0}, ln2LO_exp={-2:0}, one_exp=1, P1_exp=16666667163/100000000000, P2_exp=-555555569/200000000000, P3_exp=6613755977/100000000000000, P4_exp=-16533901999/10000000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L118] CALL, EXPR __ieee754_expf(x) VAL [\old(x)=0, halF_exp={-1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={-3:0}, ln2LO_exp={-2:0}, one_exp=1, P1_exp=16666667163/100000000000, P2_exp=-555555569/200000000000, P3_exp=6613755977/100000000000000, P4_exp=-16533901999/10000000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L37] float y, hi, lo, c, t; [L38] __int32_t k = 0, xsb, sx; [L39] __uint32_t hx; VAL [\old(x)=0, halF_exp={-1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={-3:0}, ln2LO_exp={-2:0}, one_exp=1, P1_exp=16666667163/100000000000, P2_exp=-555555569/200000000000, P3_exp=6613755977/100000000000000, P4_exp=-16533901999/10000000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L42] ieee_float_shape_type gf_u; [L43] gf_u.value = (x) [L44] EXPR gf_u.word [L44] (sx) = gf_u.word [L46] xsb = (sx >> 31) & 1 [L47] hx = sx & 0x7fffffff VAL [\old(x)=0, halF_exp={-1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={-3:0}, ln2LO_exp={-2:0}, one_exp=1, P1_exp=16666667163/100000000000, P2_exp=-555555569/200000000000, P3_exp=6613755977/100000000000000, P4_exp=-16533901999/10000000000000000, P5_exp=20690684721/500000000000000000, sx=-4, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L49] COND TRUE ((hx) > 0x7f800000L) [L50] return x + x; VAL [\old(x)=0, \result=0, halF_exp={-1:0}, huge_exp=1000000000000000000000000000000, hx=2139095041, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={-3:0}, ln2LO_exp={-2:0}, one_exp=1, P1_exp=16666667163/100000000000, P2_exp=-555555569/200000000000, P3_exp=6613755977/100000000000000, P4_exp=-16533901999/10000000000000000, P5_exp=20690684721/500000000000000000, sx=-4, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L118] RET, EXPR __ieee754_expf(x) VAL [__ieee754_expf(x)=0, halF_exp={-1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={-3:0}, ln2LO_exp={-2:0}, one_exp=1, P1_exp=16666667163/100000000000, P2_exp=-555555569/200000000000, P3_exp=6613755977/100000000000000, P4_exp=-16533901999/10000000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L118] float res = __ieee754_expf(x); [L121] COND TRUE res != 1.0f VAL [halF_exp={-1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={-3:0}, ln2LO_exp={-2:0}, one_exp=1, P1_exp=16666667163/100000000000, P2_exp=-555555569/200000000000, P3_exp=6613755977/100000000000000, P4_exp=-16533901999/10000000000000000, P5_exp=20690684721/500000000000000000, res=0, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L122] __VERIFIER_error() VAL [halF_exp={-1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={-3:0}, ln2LO_exp={-2:0}, one_exp=1, P1_exp=16666667163/100000000000, P2_exp=-555555569/200000000000, P3_exp=6613755977/100000000000000, P4_exp=-16533901999/10000000000000000, P5_exp=20690684721/500000000000000000, res=0, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 48 locations, 1 error locations. UNSAFE Result, 0.4s 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=45occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 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...