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_1231.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:07:56,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:07:56,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:07:56,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-11 16:07:56,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:07:56,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:07:56,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:07:56,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:07:56,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:07:56,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:07:56,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:07:56,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:07:56,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:07:56,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:07:56,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:07:56,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:07:56,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:07:56,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:07:56,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:07:56,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:07:56,845 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 16:07:56,859 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:07:56,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:07:56,860 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:07:56,860 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:07:56,861 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:07:56,861 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:07:56,861 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:07:56,861 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:07:56,862 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:07:56,862 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:07:56,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:07:56,863 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:07:56,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:07:56,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:07:56,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:07:56,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:07:56,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:07:56,864 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:07:56,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:07:56,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:07:56,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:07:56,865 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:07:56,865 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:07:56,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:07:56,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:07:56,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:07:56,866 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:07:56,866 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:07:56,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:07:56,866 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:07:56,894 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:07:56,906 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:07:56,910 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:07:56,911 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:07:56,911 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:07:56,912 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1231.c [2019-09-11 16:07:56,971 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3185a8ff4/78db053249b745f49df278f72a9b4389/FLAG9eb2c2390 [2019-09-11 16:07:57,412 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:07:57,413 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1231.c [2019-09-11 16:07:57,421 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3185a8ff4/78db053249b745f49df278f72a9b4389/FLAG9eb2c2390 [2019-09-11 16:07:57,800 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3185a8ff4/78db053249b745f49df278f72a9b4389 [2019-09-11 16:07:57,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:07:57,815 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:07:57,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:07:57,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:07:57,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:07:57,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:07:57" (1/1) ... [2019-09-11 16:07:57,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23a11b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:57, skipping insertion in model container [2019-09-11 16:07:57,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:07:57" (1/1) ... [2019-09-11 16:07:57,833 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:07:57,856 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:07:58,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:07:58,061 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:07:58,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:07:58,222 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:07:58,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:58 WrapperNode [2019-09-11 16:07:58,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:07:58,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:07:58,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:07:58,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:07:58,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:58" (1/1) ... [2019-09-11 16:07:58,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:58" (1/1) ... [2019-09-11 16:07:58,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:58" (1/1) ... [2019-09-11 16:07:58,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:58" (1/1) ... [2019-09-11 16:07:58,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:58" (1/1) ... [2019-09-11 16:07:58,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:58" (1/1) ... [2019-09-11 16:07:58,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:58" (1/1) ... [2019-09-11 16:07:58,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:07:58,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:07:58,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:07:58,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:07:58,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:07:58" (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 16:07:58,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:07:58,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:07:58,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2019-09-11 16:07:58,341 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_float [2019-09-11 16:07:58,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2019-09-11 16:07:58,341 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2019-09-11 16:07:58,342 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:07:58,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:07:58,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-11 16:07:58,342 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2019-09-11 16:07:58,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-11 16:07:58,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-11 16:07:58,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-11 16:07:58,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-11 16:07:58,344 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_float [2019-09-11 16:07:58,345 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2019-09-11 16:07:58,345 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2019-09-11 16:07:58,345 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:07:58,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:07:58,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:07:58,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-11 16:07:58,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-11 16:07:58,770 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:07:58,770 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-11 16:07:58,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:07:58 BoogieIcfgContainer [2019-09-11 16:07:58,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:07:58,773 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:07:58,773 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:07:58,773 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:07:58,774 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:07:58" (1/1) ... [2019-09-11 16:07:58,824 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:07:58,899 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator COMPGT has no precise implementation. [2019-09-11 16:07:58,900 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator COMPLT has no precise implementation. [2019-09-11 16:07:58,977 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-11 16:07:58,984 INFO L272 AbstractInterpreter]: Visited 40 different actions 68 times. Merged at 10 different actions 12 times. Never widened. Performed 167 root evaluator evaluations with a maximum evaluation depth of 3. Performed 167 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 34 variables. [2019-09-11 16:07:58,984 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:07:58,987 INFO L168 Benchmark]: Toolchain (without parser) took 1170.29 ms. Allocated memory was 144.2 MB in the beginning and 203.9 MB in the end (delta: 59.8 MB). Free memory was 91.6 MB in the beginning and 145.7 MB in the end (delta: -54.1 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2019-09-11 16:07:58,988 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.2 MB. Free memory was 110.4 MB in the beginning and 110.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:07:58,989 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.89 ms. Allocated memory was 144.2 MB in the beginning and 203.9 MB in the end (delta: 59.8 MB). Free memory was 91.4 MB in the beginning and 180.6 MB in the end (delta: -89.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2019-09-11 16:07:58,990 INFO L168 Benchmark]: Boogie Preprocessor took 48.29 ms. Allocated memory is still 203.9 MB. Free memory was 180.6 MB in the beginning and 178.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-11 16:07:58,991 INFO L168 Benchmark]: RCFGBuilder took 500.61 ms. Allocated memory is still 203.9 MB. Free memory was 178.4 MB in the beginning and 154.4 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2019-09-11 16:07:58,992 INFO L168 Benchmark]: Abstract Interpretation took 211.50 ms. Allocated memory is still 203.9 MB. Free memory was 154.4 MB in the beginning and 145.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-09-11 16:07:58,996 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 144.2 MB. Free memory was 110.4 MB in the beginning and 110.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 404.89 ms. Allocated memory was 144.2 MB in the beginning and 203.9 MB in the end (delta: 59.8 MB). Free memory was 91.4 MB in the beginning and 180.6 MB in the end (delta: -89.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.29 ms. Allocated memory is still 203.9 MB. Free memory was 180.6 MB in the beginning and 178.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 500.61 ms. Allocated memory is still 203.9 MB. Free memory was 178.4 MB in the beginning and 154.4 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 211.50 ms. Allocated memory is still 203.9 MB. Free memory was 154.4 MB in the beginning and 145.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - PositiveResult [Line: 81]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 75]: 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...