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/bitvector/soft_float_4-2.c.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 19:11:12,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 19:11:12,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 19:11:12,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 19:11:12,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 19:11:12,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 19:11:12,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 19:11:12,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 19:11:12,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 19:11:12,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 19:11:12,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 19:11:12,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 19:11:12,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 19:11:12,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 19:11:12,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 19:11:12,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 19:11:12,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 19:11:12,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 19:11:12,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 19:11:12,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 19:11:12,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 19:11:12,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 19:11:12,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 19:11:12,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 19:11:12,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-10 19:11:12,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 19:11:12,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 19:11:12,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 19:11:12,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 19:11:12,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 19:11:12,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 19:11:12,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 19:11:12,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 19:11:12,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 19:11:12,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 19:11:12,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 19:11:12,184 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 19:11:12,207 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 19:11:12,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 19:11:12,209 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 19:11:12,209 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 19:11:12,210 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 19:11:12,210 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 19:11:12,211 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 19:11:12,211 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 19:11:12,211 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 19:11:12,211 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 19:11:12,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 19:11:12,212 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 19:11:12,213 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 19:11:12,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 19:11:12,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 19:11:12,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 19:11:12,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 19:11:12,215 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 19:11:12,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 19:11:12,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 19:11:12,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 19:11:12,216 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 19:11:12,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 19:11:12,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 19:11:12,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 19:11:12,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 19:11:12,217 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 19:11:12,217 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 19:11:12,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 19:11:12,218 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 19:11:12,274 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 19:11:12,287 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 19:11:12,290 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 19:11:12,292 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 19:11:12,292 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 19:11:12,293 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/soft_float_4-2.c.cil.c [2019-09-10 19:11:12,360 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cd70a2fb/f57e8a0eb6a4470d99779c8ce7e94cef/FLAGbc6538b28 [2019-09-10 19:11:12,876 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 19:11:12,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector/soft_float_4-2.c.cil.c [2019-09-10 19:11:12,890 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cd70a2fb/f57e8a0eb6a4470d99779c8ce7e94cef/FLAGbc6538b28 [2019-09-10 19:11:13,204 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cd70a2fb/f57e8a0eb6a4470d99779c8ce7e94cef [2019-09-10 19:11:13,214 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 19:11:13,215 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 19:11:13,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 19:11:13,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 19:11:13,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 19:11:13,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 07:11:13" (1/1) ... [2019-09-10 19:11:13,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e52e501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:11:13, skipping insertion in model container [2019-09-10 19:11:13,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 07:11:13" (1/1) ... [2019-09-10 19:11:13,233 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 19:11:13,261 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 19:11:13,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 19:11:13,539 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 19:11:13,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 19:11:13,707 INFO L192 MainTranslator]: Completed translation [2019-09-10 19:11:13,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:11:13 WrapperNode [2019-09-10 19:11:13,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 19:11:13,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 19:11:13,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 19:11:13,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 19:11:13,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:11:13" (1/1) ... [2019-09-10 19:11:13,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:11:13" (1/1) ... [2019-09-10 19:11:13,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:11:13" (1/1) ... [2019-09-10 19:11:13,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:11:13" (1/1) ... [2019-09-10 19:11:13,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:11:13" (1/1) ... [2019-09-10 19:11:13,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:11:13" (1/1) ... [2019-09-10 19:11:13,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:11:13" (1/1) ... [2019-09-10 19:11:13,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 19:11:13,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 19:11:13,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 19:11:13,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 19:11:13,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:11:13" (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 19:11:13,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 19:11:13,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 19:11:13,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-10 19:11:13,820 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2019-09-10 19:11:13,820 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2019-09-10 19:11:13,820 INFO L138 BoogieDeclarations]: Found implementation of procedure mulflt [2019-09-10 19:11:13,820 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 19:11:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 19:11:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 19:11:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-10 19:11:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-10 19:11:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-10 19:11:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2019-09-10 19:11:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2019-09-10 19:11:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure mulflt [2019-09-10 19:11:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 19:11:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 19:11:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 19:11:14,296 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 19:11:14,296 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-10 19:11:14,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 07:11:14 BoogieIcfgContainer [2019-09-10 19:11:14,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 19:11:14,298 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-10 19:11:14,299 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-10 19:11:14,299 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-10 19:11:14,300 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 07:11:14" (1/1) ... [2019-09-10 19:11:14,336 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 19:11:14,421 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 19:11:15,407 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 19:11:15,452 INFO L272 AbstractInterpreter]: Visited 78 different actions 1578 times. Merged at 44 different actions 418 times. Widened at 6 different actions 8 times. Performed 3240 root evaluator evaluations with a maximum evaluation depth of 7. Performed 3240 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 186 fixpoints after 21 different actions. Largest state had 22 variables. [2019-09-10 19:11:15,460 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-10 19:11:15,467 INFO L168 Benchmark]: Toolchain (without parser) took 2246.83 ms. Allocated memory was 132.1 MB in the beginning and 221.8 MB in the end (delta: 89.7 MB). Free memory was 87.9 MB in the beginning and 154.5 MB in the end (delta: -66.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-09-10 19:11:15,470 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 132.1 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 19:11:15,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 491.03 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 87.7 MB in the beginning and 173.8 MB in the end (delta: -86.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-09-10 19:11:15,473 INFO L168 Benchmark]: Boogie Preprocessor took 47.54 ms. Allocated memory is still 199.2 MB. Free memory was 173.8 MB in the beginning and 171.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-10 19:11:15,475 INFO L168 Benchmark]: RCFGBuilder took 541.79 ms. Allocated memory is still 199.2 MB. Free memory was 171.9 MB in the beginning and 148.7 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2019-09-10 19:11:15,477 INFO L168 Benchmark]: Abstract Interpretation took 1162.01 ms. Allocated memory was 199.2 MB in the beginning and 221.8 MB in the end (delta: 22.5 MB). Free memory was 148.7 MB in the beginning and 154.5 MB in the end (delta: -5.8 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2019-09-10 19:11:15,484 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 132.1 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 491.03 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 87.7 MB in the beginning and 173.8 MB in the end (delta: -86.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.54 ms. Allocated memory is still 199.2 MB. Free memory was 173.8 MB in the beginning and 171.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 541.79 ms. Allocated memory is still 199.2 MB. Free memory was 171.9 MB in the beginning and 148.7 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1162.01 ms. Allocated memory was 199.2 MB in the beginning and 221.8 MB in the end (delta: 22.5 MB). Free memory was 148.7 MB in the beginning and 154.5 MB in the end (delta: -5.8 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 8]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L217] unsigned int a ; [L218] unsigned int ma = __VERIFIER_nondet_uint(); [L219] signed char ea = __VERIFIER_nondet_char(); [L220] unsigned int b ; [L221] unsigned int mb = __VERIFIER_nondet_uint(); [L222] signed char eb = __VERIFIER_nondet_char(); [L223] unsigned int r_add1 ; [L224] unsigned int r_add2 ; [L225] unsigned int zero ; [L226] int tmp ; [L227] int tmp___0 ; [L228] int __retres14 ; [L232] CALL, EXPR base2flt(0, 0) [L16] unsigned int res ; [L17] unsigned int __retres4 ; [L20] COND TRUE ! m [L21] __retres4 = 0U [L71] return (__retres4); [L232] RET, EXPR base2flt(0, 0) [L232] zero = base2flt(0, 0) [L233] CALL, EXPR base2flt(ma, ea) [L16] unsigned int res ; [L17] unsigned int __retres4 ; [L20] COND TRUE ! m [L21] __retres4 = 0U [L71] return (__retres4); [L233] RET, EXPR base2flt(ma, ea) [L233] a = base2flt(ma, ea) [L234] CALL, EXPR base2flt(mb, eb) [L16] unsigned int res ; [L17] unsigned int __retres4 ; [L20] COND TRUE ! m [L21] __retres4 = 0U [L71] return (__retres4); [L234] RET, EXPR base2flt(mb, eb) [L234] b = base2flt(mb, eb) [L235] CALL addflt(a, b) [L75] unsigned int res ; [L76] unsigned int ma ; [L77] unsigned int mb ; [L78] unsigned int delta ; [L79] int ea ; [L80] int eb ; [L81] unsigned int tmp ; [L82] unsigned int __retres10 ; [L85] COND TRUE a < b [L86] tmp = a [L87] a = b [L88] b = tmp [L92] COND FALSE !(! b) [L99] ma = a & ((1U << 24U) - 1U) [L100] ea = (int )(a >> 24U) - 128 [L101] ma = ma | (1U << 24U) [L102] mb = b & ((1U << 24U) - 1U) [L103] eb = (int )(b >> 24U) - 128 [L104] mb = mb | (1U << 24U) [L105] CALL __VERIFIER_assert(ea >= eb) [L7] COND TRUE !(cond) [L8] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...