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/byte_add_2-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 19:10:29,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 19:10:29,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 19:10:29,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 19:10:29,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 19:10:29,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 19:10:29,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 19:10:29,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 19:10:29,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 19:10:29,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 19:10:29,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 19:10:29,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 19:10:29,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 19:10:29,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 19:10:29,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 19:10:29,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 19:10:29,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 19:10:29,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 19:10:29,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 19:10:29,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 19:10:29,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 19:10:29,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 19:10:29,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 19:10:29,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 19:10:29,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 19:10:29,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 19:10:29,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 19:10:29,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 19:10:29,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 19:10:29,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 19:10:29,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 19:10:29,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 19:10:29,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 19:10:29,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 19:10:29,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 19:10:29,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 19:10:29,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 19:10:29,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 19:10:29,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 19:10:29,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 19:10:29,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 19:10:29,598 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 19:10:29,615 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 19:10:29,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 19:10:29,617 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 19:10:29,617 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 19:10:29,618 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 19:10:29,618 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 19:10:29,618 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 19:10:29,619 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 19:10:29,619 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 19:10:29,619 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 19:10:29,622 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 19:10:29,622 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 19:10:29,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 19:10:29,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 19:10:29,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 19:10:29,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 19:10:29,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 19:10:29,623 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 19:10:29,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 19:10:29,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 19:10:29,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 19:10:29,625 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 19:10:29,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 19:10:29,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 19:10:29,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 19:10:29,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 19:10:29,626 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 19:10:29,626 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 19:10:29,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 19:10:29,626 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 19:10:29,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 19:10:29,684 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 19:10:29,688 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 19:10:29,690 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 19:10:29,691 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 19:10:29,692 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/byte_add_2-2.i [2019-09-10 19:10:29,765 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ee58e9e0/bef0461ebad341d3b2f554203d0bc0a9/FLAGc3bb85b92 [2019-09-10 19:10:30,317 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 19:10:30,318 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector/byte_add_2-2.i [2019-09-10 19:10:30,332 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ee58e9e0/bef0461ebad341d3b2f554203d0bc0a9/FLAGc3bb85b92 [2019-09-10 19:10:30,683 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ee58e9e0/bef0461ebad341d3b2f554203d0bc0a9 [2019-09-10 19:10:30,693 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 19:10:30,695 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 19:10:30,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 19:10:30,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 19:10:30,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 19:10:30,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 07:10:30" (1/1) ... [2019-09-10 19:10:30,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33879926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:10:30, skipping insertion in model container [2019-09-10 19:10:30,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 07:10:30" (1/1) ... [2019-09-10 19:10:30,713 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 19:10:30,740 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 19:10:30,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 19:10:30,937 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 19:10:31,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 19:10:31,086 INFO L192 MainTranslator]: Completed translation [2019-09-10 19:10:31,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:10:31 WrapperNode [2019-09-10 19:10:31,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 19:10:31,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 19:10:31,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 19:10:31,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 19:10:31,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:10:31" (1/1) ... [2019-09-10 19:10:31,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:10:31" (1/1) ... [2019-09-10 19:10:31,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:10:31" (1/1) ... [2019-09-10 19:10:31,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:10:31" (1/1) ... [2019-09-10 19:10:31,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:10:31" (1/1) ... [2019-09-10 19:10:31,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:10:31" (1/1) ... [2019-09-10 19:10:31,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:10:31" (1/1) ... [2019-09-10 19:10:31,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 19:10:31,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 19:10:31,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 19:10:31,130 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 19:10:31,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:10:31" (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 19:10:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 19:10:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 19:10:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-10 19:10:31,196 INFO L138 BoogieDeclarations]: Found implementation of procedure mp_add [2019-09-10 19:10:31,196 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 19:10:31,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 19:10:31,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-10 19:10:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-10 19:10:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 19:10:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2019-09-10 19:10:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2019-09-10 19:10:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure mp_add [2019-09-10 19:10:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 19:10:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 19:10:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 19:10:31,641 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 19:10:31,641 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-10 19:10:31,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 07:10:31 BoogieIcfgContainer [2019-09-10 19:10:31,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 19:10:31,644 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-10 19:10:31,644 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-10 19:10:31,644 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-10 19:10:31,645 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 07:10:31" (1/1) ... [2019-09-10 19:10:31,683 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 19:10:31,774 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 19:10:32,332 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 19:10:32,382 INFO L272 AbstractInterpreter]: Visited 79 different actions 943 times. Merged at 49 different actions 475 times. Widened at 1 different actions 5 times. Performed 2117 root evaluator evaluations with a maximum evaluation depth of 8. Performed 2117 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 280 fixpoints after 32 different actions. Largest state had 23 variables. [2019-09-10 19:10:32,382 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-10 19:10:32,389 INFO L168 Benchmark]: Toolchain (without parser) took 1689.81 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 90.6 MB in the beginning and 93.9 MB in the end (delta: -3.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 7.1 GB. [2019-09-10 19:10:32,390 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 135.3 MB. Free memory is still 109.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 19:10:32,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.70 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 90.2 MB in the beginning and 177.0 MB in the end (delta: -86.8 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-09-10 19:10:32,395 INFO L168 Benchmark]: Boogie Preprocessor took 41.94 ms. Allocated memory is still 201.9 MB. Free memory was 177.0 MB in the beginning and 175.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-09-10 19:10:32,396 INFO L168 Benchmark]: RCFGBuilder took 513.77 ms. Allocated memory is still 201.9 MB. Free memory was 175.3 MB in the beginning and 154.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-09-10 19:10:32,398 INFO L168 Benchmark]: Abstract Interpretation took 738.82 ms. Allocated memory is still 201.9 MB. Free memory was 154.3 MB in the beginning and 93.9 MB in the end (delta: 60.3 MB). Peak memory consumption was 60.3 MB. Max. memory is 7.1 GB. [2019-09-10 19:10:32,406 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 135.3 MB. Free memory is still 109.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 390.70 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 90.2 MB in the beginning and 177.0 MB in the end (delta: -86.8 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.94 ms. Allocated memory is still 201.9 MB. Free memory was 177.0 MB in the beginning and 175.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 513.77 ms. Allocated memory is still 201.9 MB. Free memory was 175.3 MB in the beginning and 154.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 738.82 ms. Allocated memory is still 201.9 MB. Free memory was 154.3 MB in the beginning and 93.9 MB in the end (delta: 60.3 MB). Peak memory consumption was 60.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 6]: 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: [L105] unsigned int a, b, r; [L106] a = __VERIFIER_nondet_uint() [L108] b = 234770789 [L110] CALL, EXPR mp_add(a, b) [L23] unsigned char a0, a1, a2, a3; [L24] unsigned char b0, b1, b2, b3; [L25] unsigned char r0, r1, r2, r3; [L26] unsigned short carry; [L27] unsigned short partial_sum; [L28] unsigned int r; [L29] unsigned char i; [L30] unsigned char na, nb; [L31] a0 = a [L32] a1 = a >> 8 [L33] a2 = a >> 16U [L34] a3 = a >> 24U [L35] b0 = b [L36] b1 = b >> 8U [L37] b2 = b >> 16U [L38] b3 = b >> 24U [L39] na = (unsigned char)4 [L40] COND FALSE !(a3 == (unsigned char)0) [L49] nb = (unsigned char)4 [L50] COND FALSE !(b3 == (unsigned char)0) [L59] carry = (unsigned short)0 [L60] i = (unsigned char)0 [L61] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) [L88] COND FALSE !(i < (unsigned char)4) [L97] r = r0 | (r1 << 8U) | (r2 << 16U) | ((unsigned int)r3 << 24U) [L99] return r; [L110] RET, EXPR mp_add(a, b) [L110] r = mp_add(a, b) [L112] CALL __VERIFIER_assert(r == a + b) [L5] COND TRUE !(cond) [L6] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...