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/interleave_bits.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 19:10:35,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 19:10:35,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 19:10:35,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 19:10:35,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 19:10:35,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 19:10:35,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 19:10:35,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 19:10:35,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 19:10:35,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 19:10:35,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 19:10:35,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 19:10:35,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 19:10:35,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 19:10:35,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 19:10:35,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 19:10:35,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 19:10:35,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 19:10:35,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 19:10:35,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 19:10:35,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 19:10:35,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 19:10:35,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 19:10:35,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 19:10:35,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-10 19:10:35,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 19:10:35,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 19:10:35,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 19:10:35,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 19:10:35,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 19:10:35,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 19:10:35,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 19:10:35,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 19:10:35,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 19:10:35,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 19:10:35,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 19:10:35,190 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 19:10:35,205 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 19:10:35,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 19:10:35,206 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 19:10:35,206 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 19:10:35,207 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 19:10:35,207 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 19:10:35,208 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 19:10:35,208 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 19:10:35,208 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 19:10:35,208 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 19:10:35,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 19:10:35,209 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 19:10:35,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 19:10:35,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 19:10:35,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 19:10:35,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 19:10:35,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 19:10:35,210 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 19:10:35,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 19:10:35,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 19:10:35,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 19:10:35,212 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 19:10:35,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 19:10:35,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 19:10:35,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 19:10:35,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 19:10:35,213 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 19:10:35,213 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 19:10:35,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 19:10:35,214 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 19:10:35,250 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 19:10:35,265 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 19:10:35,268 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 19:10:35,270 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 19:10:35,270 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 19:10:35,271 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/interleave_bits.i [2019-09-10 19:10:35,345 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed5d70f01/46b819d2faae4121a25e4b24b109fd53/FLAG2c6732838 [2019-09-10 19:10:35,870 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 19:10:35,871 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector/interleave_bits.i [2019-09-10 19:10:35,882 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed5d70f01/46b819d2faae4121a25e4b24b109fd53/FLAG2c6732838 [2019-09-10 19:10:36,145 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed5d70f01/46b819d2faae4121a25e4b24b109fd53 [2019-09-10 19:10:36,155 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 19:10:36,156 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 19:10:36,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 19:10:36,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 19:10:36,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 19:10:36,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 07:10:36" (1/1) ... [2019-09-10 19:10:36,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16572f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:10:36, skipping insertion in model container [2019-09-10 19:10:36,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 07:10:36" (1/1) ... [2019-09-10 19:10:36,174 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 19:10:36,196 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 19:10:36,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 19:10:36,432 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 19:10:36,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 19:10:36,567 INFO L192 MainTranslator]: Completed translation [2019-09-10 19:10:36,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:10:36 WrapperNode [2019-09-10 19:10:36,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 19:10:36,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 19:10:36,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 19:10:36,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 19:10:36,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:10:36" (1/1) ... [2019-09-10 19:10:36,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:10:36" (1/1) ... [2019-09-10 19:10:36,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:10:36" (1/1) ... [2019-09-10 19:10:36,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:10:36" (1/1) ... [2019-09-10 19:10:36,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:10:36" (1/1) ... [2019-09-10 19:10:36,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:10:36" (1/1) ... [2019-09-10 19:10:36,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:10:36" (1/1) ... [2019-09-10 19:10:36,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 19:10:36,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 19:10:36,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 19:10:36,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 19:10:36,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:10:36" (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 19:10:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 19:10:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 19:10:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-10 19:10:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 19:10:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 19:10:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-10 19:10:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-10 19:10:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 19:10:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2019-09-10 19:10:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2019-09-10 19:10:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 19:10:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 19:10:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 19:10:36,897 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 19:10:36,898 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-10 19:10:36,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 07:10:36 BoogieIcfgContainer [2019-09-10 19:10:36,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 19:10:36,901 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-10 19:10:36,901 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-10 19:10:36,902 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-10 19:10:36,908 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 07:10:36" (1/1) ... [2019-09-10 19:10:36,975 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 19:10:37,062 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 19:10:37,308 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 19:10:37,333 INFO L272 AbstractInterpreter]: Visited 20 different actions 188 times. Merged at 5 different actions 60 times. Widened at 1 different actions 10 times. Performed 411 root evaluator evaluations with a maximum evaluation depth of 7. Performed 411 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 13 fixpoints after 2 different actions. Largest state had 10 variables. [2019-09-10 19:10:37,333 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-10 19:10:37,337 INFO L168 Benchmark]: Toolchain (without parser) took 1179.18 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 89.5 MB in the beginning and 145.2 MB in the end (delta: -55.7 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-09-10 19:10:37,338 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 19:10:37,339 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.10 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 89.0 MB in the beginning and 176.0 MB in the end (delta: -86.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2019-09-10 19:10:37,340 INFO L168 Benchmark]: Boogie Preprocessor took 37.98 ms. Allocated memory is still 199.8 MB. Free memory was 176.0 MB in the beginning and 174.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. [2019-09-10 19:10:37,341 INFO L168 Benchmark]: RCFGBuilder took 293.11 ms. Allocated memory is still 199.8 MB. Free memory was 174.1 MB in the beginning and 162.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-09-10 19:10:37,342 INFO L168 Benchmark]: Abstract Interpretation took 432.42 ms. Allocated memory is still 199.8 MB. Free memory was 162.6 MB in the beginning and 145.2 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2019-09-10 19:10:37,347 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 411.10 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 89.0 MB in the beginning and 176.0 MB in the end (delta: -86.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.98 ms. Allocated memory is still 199.8 MB. Free memory was 176.0 MB in the beginning and 174.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 293.11 ms. Allocated memory is still 199.8 MB. Free memory was 174.1 MB in the beginning and 162.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 432.42 ms. Allocated memory is still 199.8 MB. Free memory was 162.6 MB in the beginning and 145.2 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 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: [L23] unsigned short x = __VERIFIER_nondet_ushort(); [L24] unsigned short y = __VERIFIER_nondet_ushort(); [L25] unsigned int xx; [L26] unsigned int yy; [L27] unsigned int zz; [L28] unsigned int z = 0; [L29] unsigned int i = 0; [L30] COND FALSE !(i < sizeof(x) * 8) [L34] xx = x [L35] yy = y [L36] xx = (xx | (xx << 8u)) & 16711935U [L37] xx = (xx | (xx << 4u)) & 252645135U [L38] xx = (xx | (xx << 2u)) & 858993459U [L39] xx = (xx | (xx << 1u)) & 1431655765U [L40] yy = (yy | (yy << 8u)) & 16711935U [L41] yy = (yy | (yy << 4u)) & 252645135U [L42] yy = (yy | (yy << 2u)) & 858993459U [L43] yy = (yy | (yy << 1u)) & 1431655765U [L45] zz = xx | (yy << 1U) [L47] CALL __VERIFIER_assert(z == zz) [L5] COND TRUE !(cond) [L6] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...