java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0710.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:07:14,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:07:14,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:07:14,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:07:14,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:07:14,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:07:14,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:07:14,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:07:14,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:07:14,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:07:14,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:07:14,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:07:14,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:07:14,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:07:14,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:07:14,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:07:14,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:07:14,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:07:14,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:07:14,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:07:14,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:07:14,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:07:14,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:07:15,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:07:15,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:07:15,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:07:15,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:07:15,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:07:15,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:07:15,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:07:15,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:07:15,010 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:07:15,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:07:15,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:07:15,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:07:15,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:07:15,013 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 [2019-09-11 16:07:15,027 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:07:15,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:07:15,028 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:07:15,028 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:07:15,028 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:07:15,029 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:07:15,029 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:07:15,029 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:07:15,029 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:07:15,030 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:07:15,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:07:15,031 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:07:15,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:07:15,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:07:15,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:07:15,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:07:15,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:07:15,032 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:07:15,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:07:15,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:07:15,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:07:15,033 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:07:15,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:07:15,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:07:15,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:07:15,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:07:15,034 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:07:15,034 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:07:15,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:07:15,035 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:07:15,063 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:07:15,075 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:07:15,079 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:07:15,081 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:07:15,081 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:07:15,082 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0710.c [2019-09-11 16:07:15,147 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86e84a098/81f0288d68a64146af50d02b1bab28bd/FLAGa847e18de [2019-09-11 16:07:15,602 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:07:15,603 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0710.c [2019-09-11 16:07:15,611 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86e84a098/81f0288d68a64146af50d02b1bab28bd/FLAGa847e18de [2019-09-11 16:07:15,997 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86e84a098/81f0288d68a64146af50d02b1bab28bd [2019-09-11 16:07:16,009 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:07:16,013 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:07:16,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:07:16,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:07:16,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:07:16,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:07:15" (1/1) ... [2019-09-11 16:07:16,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30d76297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:16, skipping insertion in model container [2019-09-11 16:07:16,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:07:15" (1/1) ... [2019-09-11 16:07:16,034 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:07:16,060 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:07:16,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:07:16,295 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:07:16,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:07:16,458 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:07:16,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:16 WrapperNode [2019-09-11 16:07:16,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:07:16,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:07:16,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:07:16,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:07:16,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:16" (1/1) ... [2019-09-11 16:07:16,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:16" (1/1) ... [2019-09-11 16:07:16,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:16" (1/1) ... [2019-09-11 16:07:16,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:16" (1/1) ... [2019-09-11 16:07:16,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:16" (1/1) ... [2019-09-11 16:07:16,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:16" (1/1) ... [2019-09-11 16:07:16,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:16" (1/1) ... [2019-09-11 16:07:16,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:07:16,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:07:16,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:07:16,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:07:16,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:16" (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 [2019-09-11 16:07:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:07:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:07:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2019-09-11 16:07:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2019-09-11 16:07:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:07:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:07:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-11 16:07:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2019-09-11 16:07:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2019-09-11 16:07:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-11 16:07:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-11 16:07:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-11 16:07:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-11 16:07:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-11 16:07:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-11 16:07:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:07:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:07:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:07:16,973 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:07:16,973 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-11 16:07:16,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:07:16 BoogieIcfgContainer [2019-09-11 16:07:16,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:07:16,975 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:07:16,976 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:07:16,976 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:07:16,977 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:07:16" (1/1) ... [2019-09-11 16:07:17,008 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:07:17,085 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator COMPLT has no precise implementation. [2019-09-11 16:07:17,098 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-11 16:07:17,103 INFO L272 AbstractInterpreter]: Visited 16 different actions 16 times. Never merged. Never widened. Performed 39 root evaluator evaluations with a maximum evaluation depth of 1. Performed 39 inverse root evaluator evaluations with a maximum inverse evaluation depth of 1. Never found a fixpoint. Largest state had 39 variables. [2019-09-11 16:07:17,104 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:07:17,107 INFO L168 Benchmark]: Toolchain (without parser) took 1094.50 ms. Allocated memory was 131.6 MB in the beginning and 197.7 MB in the end (delta: 66.1 MB). Free memory was 87.9 MB in the beginning and 143.4 MB in the end (delta: -55.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-09-11 16:07:17,108 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 131.6 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:07:17,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 442.67 ms. Allocated memory was 131.6 MB in the beginning and 197.7 MB in the end (delta: 66.1 MB). Free memory was 87.6 MB in the beginning and 172.9 MB in the end (delta: -85.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2019-09-11 16:07:17,110 INFO L168 Benchmark]: Boogie Preprocessor took 53.02 ms. Allocated memory is still 197.7 MB. Free memory was 172.9 MB in the beginning and 171.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-09-11 16:07:17,111 INFO L168 Benchmark]: RCFGBuilder took 462.42 ms. Allocated memory is still 197.7 MB. Free memory was 171.0 MB in the beginning and 150.3 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-09-11 16:07:17,112 INFO L168 Benchmark]: Abstract Interpretation took 128.41 ms. Allocated memory is still 197.7 MB. Free memory was 149.6 MB in the beginning and 143.4 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. [2019-09-11 16:07:17,116 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 131.6 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 442.67 ms. Allocated memory was 131.6 MB in the beginning and 197.7 MB in the end (delta: 66.1 MB). Free memory was 87.6 MB in the beginning and 172.9 MB in the end (delta: -85.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.02 ms. Allocated memory is still 197.7 MB. Free memory was 172.9 MB in the beginning and 171.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 462.42 ms. Allocated memory is still 197.7 MB. Free memory was 171.0 MB in the beginning and 150.3 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 128.41 ms. Allocated memory is still 197.7 MB. Free memory was 149.6 MB in the beginning and 143.4 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - PositiveResult [Line: 98]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location RESULT: Ultimate proved your program to be correct! Received shutdown request...